You are a flight assistant. 
 USER: Hello, I am Nicole Harris.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a ticket from IAD to JFK?

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: Sure, I would like to go on 05/05 and return back on 05/07.

ASSISTANT: AA airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked with flight-1016, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.