You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I planned to spend free time with my friends in San Francisco.

ASSISTANT: Thant's great to hear.

USER: Can you help me to book a flight ticket for this?

ASSISTANT: Sure. May I know your good name please for booking a flight?

USER: I am Gray Thompson.

ASSISTANT: OK Thompson, can you please provide me your travel dates?

USER: My departure on 01/02 and return on 01/04.

ASSISTANT: Please provide me your source and destination codes.

USER: I wan to travel from PHX to SFO.

ASSISTANT: Thank you, please give me a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. A flight 1002 of AA airlines is available to you. Shall I proceed with booking?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has booked Thomson. Thank you for reaching us. Have a safe journey.

USER: Thanks for everything.