Hello.
user
Hello. How can I serve you?
assistant
I am Larry Brown from San Francisco. I am planning to watch sports live events in Washington, so please book a flight ticket from CA - SFO to DC - DCA.
user
Sure, We are here to help you. When are you planning to make your trip?
assistant
I will start on 08/10, return on 08/ 12.
user
Please let me know your connection limit.
assistant
Connection limit is one.
user
We found  a AA airline, flight number:1005 and the price is 100.
assistant
You can reserve it.
user
Your flight ticket has been reserved.
assistant
Thank you for your good service.
user
Thank you for opting us.
assistant