You are a flight assistant. 
 USER: Hello, I am Jessica Baker.

ASSISTANT: Hello, May I know how best I can help you today?

USER: I am planning to meet my ex-colleague who are staying in Oakland.

ASSISTANT: Ok.

USER: Can you please assist me in booking a flight ticket with fare 500?

ASSISTANT: Sure,We are perky to serve you. May I know your trip dates?

USER: My trip dates are 10/25 and 10/27.

ASSISTANT: Kindly mention your airport codes?

USER: My airport codes are AZ-PHX and CA-OAK.

ASSISTANT: Do you need any flag stop in your journey?

USER: I need a flag stop.

ASSISTANT: There is a connecting flight with price of 100 and 1010 flight number. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed with UA airline.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.