You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Please book a ticket to Boston, BOS to go for long trips.

ASSISTANT: Ok, may I know your source airport code?

USER: My source is Detroit, DTW.

ASSISTANT: Can you please share your travel dates?

USER: My travelling dates are July 26 and July 28.

ASSISTANT: Do you have any airline preference?

USER: Yes, I prefer normal-cost airline.

ASSISTANT: Could you prefer a pause in your journey?

USER: I want single connected flight.

ASSISTANT: Any other requirement to be met?

USER: My return time is afternoon.

ASSISTANT: Can you please share your name to proceed further?

USER: Sure, my name is Emily Roberts.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: We found a direct flight with American Airlines having an economy class seat which returns at 19:00PM with flight number 1026 of fare 200, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.