You are a flight assistant. 
 USER: Hi. I am Cynthia Martin.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket on 10/29 and return on 10/31, so can you help me with booking please?

ASSISTANT: Sure, may I know your travel dates?

USER: I have already mentioned above.

ASSISTANT: Ok, may I know your airport codes?

USER: Yes, my airport codes are Oakland, CA-OAK and San Francisco, CA-SFO.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline UA with flight 1006 having a fare 100 with halt.

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.