You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Christine Lewis. Can you help me to book a flight on 11/06?

ASSISTANT: Sure, could you please mention your codes of airport to search for the flight?

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

ASSISTANT: Ok, may I know your return date to proceed further?

USER: I will be return on 11/08.

ASSISTANT: Ok, there is a flight 1012 in Southwest airline matching your details with price 500. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice journey.