You are a flight assistant. 
 USER: Hello. Kimberly Davis here.

ASSISTANT: Hello, how may I assist you? Yes, Davis.

USER: I want to visit Oakland Museum of California. Will you please help me in ticket booking?

ASSISTANT: That's great.

USER: Both my source and destination airport codes are OAK itself. My travel dates are 09/21 and 09/23.

ASSISTANT: Sure, provide me the codes of airport?

USER: I have already mentioned the codes.

ASSISTANT: Ok, there is a flight with OAK, and flight number is 1015. Can I proceed?

USER: Can I know the name of airline and connection limit?

ASSISTANT: Airline is Frontier with connection limit 1.

USER: Ok, please proceed for booking.

ASSISTANT: your ticket has been booked. Thank you for choosing us.

USER: Thank you for booking.