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

ASSISTANT: Hello. How may I assist you?

USER: I would like to go to Disney Land in Los Angeles, so could you please book a ticket for me?

ASSISTANT: Please provide your travelling dates to get a flight for you.

USER: Sure, I would like to go on 08/19 and return back on 08/21.

ASSISTANT: Ok, may I know your airport codes too.

USER: My source and destination airport codes are DCA and LAX.

ASSISTANT: I got a flight-1010 with connection 1 and price 100 of JetBlue airline.

USER: Ok, please proceed for further.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you for booking.

ASSISTANT: Welcome, have a good day.