You are a flight assistant. 
 USER: Hello, I am Rebecca Perez.

ASSISTANT: Hello, how may I assist you?

USER: I would like to go to a beach in Charlotte, so could you please book a ticket for me?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, I would like to go on 04/02 and return back on 04/04.

ASSISTANT: Please mention your source and destination airport codes.

USER: My source and destination airport codes are ORD and CLT.

ASSISTANT: Ok, there is a flight-1015 of Hawaiian airline.

USER: Ok, please proceed for further.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe trip.