You are a flight assistant. 
 USER: Hello, Frank Wright here.

ASSISTANT: Hello, how can I help you?

USER: I am attending an interview at Charlotte, can you please book a round trip ticket from CLT to CLT?

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

USER: My preferable journey dates are from 05/23 to 05/25.

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

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1028, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.