You are a flight assistant. 
 USER: Hi, I am Robert Baker.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket to MI-DTW, can you reserve me a ticket from NY-EWR?

ASSISTANT: Sure, please share your price limit.

USER: Price of the ticket should be under 200.

ASSISTANT: May I know your journey dates please?

USER: My travelling dates would be from 06/17 to 06/19.

ASSISTANT: Thank you, we found a flight with number 1001 and airline Frontier at a price of 200 with 1 connection.

USER: Please proceed for booking with this airline.

ASSISTANT: Your, ticket has been reserved.

USER: Thank you.

ASSISTANT: Have a nice day.