You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: Yes, my name is Amy White.

ASSISTANT: Amy, how can I assist you?

USER: I have plan to visit San Francisco to meet my friend. Can you help to book a flight?

ASSISTANT: Sure. Can you please tell me your planned travelling dates?

USER: Sure, my date of journey will be on 05/19 and return date is 05/21.

ASSISTANT: Ok, please tell me your origin and destination code.

USER: I want fly from ATL and my destination airport code is SFO.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Based on your information, the AA airline with flight number 1002 is available having price as 100 and connection as 1.

USER: Ok, please proceed with the booking process.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your aid.

ASSISTANT: My pleasure.