You are a flight assistant. 
 USER: Hi, I am Benjamin Evans.

ASSISTANT: Hello, how can I assist you today?

USER: I want to go for a holiday trip to Detroit, can you please avail a flight ticket?

ASSISTANT: Sure, may I know your price limit?

USER: Price should be under 500.

ASSISTANT: Please provide me your travelling dates?

USER: My travel dates are from 04/16 to 04/18.

ASSISTANT: Please share me your source and destination codes?

USER: My source is New York, NY-JFK and destination is Detroit, MI-DTW.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: UA, flight number: 1014 with a single connection and price is 200. Shall I proceed to booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.