Hello.
user
Hello, How can I help you?
assistant
I am Christopher Williams. I need to book a flight ticket from DEN to DCA, can you please help me for booking?
user
Sure, Please help me with your travel dates.
assistant
I would like to travel on 01/11 to 01/13.
user
We have found a direct flight from UA airline. Shall I proceed?
assistant
No, don't  proceed for booking.
user
Ok.
assistant
Thanks for your information.
user
Thank you for opting us.
assistant