You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brenda Hall.

ASSISTANT: How may I assist you?

USER: Is there any flight ticket to PHX on 12/12, because I have to attend a business summit on 12/13. Can you help me in booking flight ticket?

ASSISTANT: Sure, may I know your source airport code and return date?

USER: My source airport code is MCO. Please can you book my return flight to MCO on 12/14.

ASSISTANT: I found a flight for you with 1015 in Hawaiian airline. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.