You are a flight assistant. 
 USER: Hello, I am John White.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a ticket from CLT to OAK?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, I would like to go on 12/29 and return back on 12/31.

ASSISTANT: Ok, please be on hold.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: JetBlue 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-1014, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.