You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Jonathan Brown from Orlando. Could you please book a flight ticket to Washington, IAD on 03/29?

ASSISTANT: Sure, may I know your source airport code please?

USER: Orlando airport code is MCO.

ASSISTANT: Do you have any plans on your return journey?

USER: I want to return on 03/31.

ASSISTANT: Please hold on a moment, Brown.

USER: Sure.

ASSISTANT: I found a flight for you in Hawaiian airlines with fare 100, can I book your ticket?

USER: Yes, please confirm my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1018.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.