Hi.
user
Hello. How can I help you?
assistant
I am Dorothy Edwards. Will you please book a flight to Denver, DEN?
user
 Sure, may I know your travel dates?
assistant
To participate in Football competition, I need to go on 03/06. I intend to return on 03/08.
user
 Help me with your source point?
assistant
San Francisco, SFO is my source.
user
Do you have any preference?
assistant
I need a connecting flight to Denver. 1000 is the price.
user
We found a connecting flight Delta with flight number 1012 and fare is 200.
assistant
You can proceed to book.
user
 Your booking is done.
assistant
Thank you.
user
 Thank you for availing us.
assistant