You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Steven Harris here from San Francisco.

ASSISTANT: Ok.

USER: I am planning to shoot a documentary on the most famous places in Oakland, CA - OAK. Can you please help me to book a flight with a connected flight?

ASSISTANT: Sure, when would you like to depart and return?

USER: Sure, my planned journey dates are on 07/19 to 07/21.

ASSISTANT: May I know your source airport code?

USER: Ok, it is CA - SFO.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number: 1010, price: 100 with one connection.

USER: That is perfect, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.