Hello.
user
Hello, how may I aid you today?
assistant
I want to travel from IAD to DEN. Can you help me to book a flight ticket?
user
Sure, may I know your name please?
assistant
I am Robert Harris.
user
May I know your planned travelling dates please?
assistant
I want to travel in the flight on Oct 27 and Oct 29.
user
May I know your class preference please?
assistant
No, but I want to depart in evening time.
user
May I know your preferable time for journey?
assistant
No, but I want to have a connecting flight.
user
Sorry Harris, there is no flight found as per your travelling details.
assistant
That's ok. Anyways, thank you.
user
Thank you for reaching us.
assistant