You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I serve you today?

USER: I am Jonathan Gonzalez want to attend a conference at CA-OAK with my friends. Can you book  a connecting flight?

ASSISTANT: Sure, we are happy to help you. May I know your budget for flight ticket?

USER: I can afford up to 200.

ASSISTANT: Let me know when you want to travel.

USER: I will depart on 07/03 and 07/05.

ASSISTANT: Can you please share me your source code?

USER: I will depart from CA-SFO.

ASSISTANT: Just hold on a moment, I will check and revert to you.

USER: Ok.

ASSISTANT: We found a connecting flight with an airline Frontier of flight 1006 and cost is 200.

USER: You can proceed with booking.

ASSISTANT: Should I proceed with the booking?

USER: Thank you for booking.

ASSISTANT: Your ticket has been booked. Thank you.