You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best assist you now?

USER: I am Frank Thompson. I need to book a flight ticket from Oakland to San Francisco, so can you help me with booking a direct flight?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Please specify me your airport codes?

USER: Sure, my airport codes are CA-OAK and CA-SFO.

ASSISTANT: May I know your journey dates?

USER: Yes, my travelling dates are 05/17 and 05/19.

ASSISTANT: Give me a minute please.

USER: Ok.

ASSISTANT: We are glad to inform that, there is a flight found in AA airline of flight number 1015 and fare is 100. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for consulting us, have a good journey in AA airline.