iOs bot crashes when conversation is "can you tell me about my dental insurance"

Start the iOS app Go to the chat Say "can you tell me about my dental insurance"
No reply from Ana
full log from server:
server starting on http://localhost:6042
successful login
POST /login 302 245.308 ms - 35
GET /loginSuccess 200 159.039 ms - 109
Request body is:  {}
Got response from Ana:  {"intents":[],"entities":[],"input":{},"output":{"log_messages":[],"text":["Hey ! Let me know if you need any help or get stuck looking for information."],"nodes_visited":["node_6_1475611948267"]},"context":{"conversation_id":"ee665ac5-934d-4c21-a0d2-f4009d607ba7","system":{"dialog_stack":["root"],"dialog_turn_counter":1,"dialog_request_counter":1}}}
POST /api/ana 200 946.828 ms - 350
Sending log updates to dashboard
doc:  null
Request body is:  { text: 'can you tell me about my dental insurance',
  context: 
   { system: 
      { dialog_stack: [Object],
        dialog_turn_counter: 1,
        dialog_request_counter: 1 },
     conversation_id: 'ee665ac5-934d-4c21-a0d2-f4009d607ba7' } }
Got response from Ana:  {"intents":[{"intent":"select_service","confidence":0.9699759861929849}],"entities":[{"entity":"types","location":[25,31],"value":"dental"}],"input":{"text":"can you tell me about my dental insurance"},"output":{"log_messages":[],"text":["Alright, I can tell you more about your dental plan. Let's narrow it down a little. Which procedure do you need information for?"],"nodes_visited":["node_8_1470846944134"]},"context":{"system":{"dialog_stack":["node_8_1470846944134"],"dialog_turn_counter":2,"dialog_request_counter":2},"conversation_id":"ee665ac5-934d-4c21-a0d2-f4009d607ba7","chosen_service":"dental"}}
Service:  dental
/Users/fred/dev/cloudco/insurance-bot/bot.js:290
        var i = services.indexOf(service);
                        ^

TypeError: Cannot read property 'indexOf' of undefined
    at updateContextObject (/Users/fred/dev/cloudco/insurance-bot/bot.js:290:25)
    at /Users/fred/dev/cloudco/insurance-bot/bot.js:85:21
    at Request._callback (/Users/fred/dev/cloudco/insurance-bot/node_modules/watson-developer-cloud/lib/requestwrapper.js:75:5)
    at Request.self.callback (/Users/fred/dev/cloudco/insurance-bot/node_modules/watson-developer-cloud/node_modules/request/request.js:187:22)
    at emitTwo (events.js:100:13)
    at Request.emit (events.js:185:7)
    at Request.<anonymous> (/Users/fred/dev/cloudco/insurance-bot/node_modules/watson-developer-cloud/node_modules/request/request.js:1044:10)
    at emitOne (events.js:90:13)
    at Request.emit (events.js:182:7)
    at IncomingMessage.<anonymous> (/Users/fred/dev/cloudco/insurance-bot/node_modules/watson-developer-cloud/node_modules/request/request.js:965:12)
    at emitNone (events.js:85:20)
    at IncomingMessage.emit (events.js:179:7)
    at endReadableNT (_stream_readable.js:913:12)
    at _combinedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)
[nodemon] app crashed - waiting for file changes before starting...
IBM-Cloud / insurance-bot

iOs bot crashes when conversation is "can you tell me about my dental insurance" #141
