You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Virginia Parker, I am participating in Golf Tournament at Tilden Golf Course at Oakland. Can you book a flight on 01/23?

ASSISTANT: Sure, let me know your source and destination airport codes?

USER: My source point is PA-PHL and destination airport is CA-OAK.

ASSISTANT: OK, when you will return?

USER: I will return on 01/25.

ASSISTANT: We found a flight from Delta airline with 1 connection and fare is 100. Shall I proceed?

USER: Sure.

ASSISTANT: Your ticket is booked and flight number is 1009.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for reaching us.