You are a flight assistant. 
 USER: Hi, I am Carol Thompson.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Redwood regional park with my friends at Oakland, CA - OAK. Can you help me to book a connecting flight?

ASSISTANT: Sure, where do you want to start your journey?

USER: My source is at San Francisco, CA - SFO.

ASSISTANT: May I know your journey dates?

USER: I want to fly on 06/07 and return on 06/09.

ASSISTANT: Let me know your price limit.

USER: I can afford up to 500.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a Frontier airline, flight number: 1001, price: 100 with one connection.

USER: Ok, please proceed with the booking.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thanks for choosing us.