Hello.
user
Hello, how may I help you?
assistant
I planned to meet my cousin in SFO, can you please help me to book a flight ticket from DCA?
user
Sure, may I know your trip dates please?
assistant
I prefer to travel on Feb 1 and Feb 3.
user
Do you have any other requirements?
assistant
I prefer to travel in a economy class.
user
Can I know your name please?
assistant
I am Kenneth Lopez. I need a connecting flight to travel.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
Ok, no problem. Thank you for your information.
user
Most welcome.
assistant