Hello, I am Nicholas Lee.
user
Hello, How exactly I can serve you the best today?
assistant
I want to book a flight ticket on 01/11. Can you help me in this?
user
Sure, I will help you with that. Can you please provide your take off and landing airport codes?
assistant
I want to fly from Oakland, CA - OAK. I would like to return from San Francisco, CA - SFO.
user
 Let me know your return date?
assistant
My return date is on 01/13.
user
Ok, please wait a moment. let me search a flight for you.
assistant
Sure.
user
 Thanks for your precious time. We found Delta airline fare of 100. Shall I proceed for booking with single stop over flight?
assistant
Please proceed.
user
Your ticket has been confirmed with airline number 1024.
assistant
Thank you for information.
user
Thank you for opting us, Have a safe journey!.
assistant