Hi. I am Donald Williams.
user
Hello. How can I assist you?
assistant
 I want to go for an industrial tour conducting by our college management, can you please book me a ticket from DEN to ATL?
user
Sure, may I know your journey dates please?
assistant
My travelling dates are 12/26 to 12/28.
user
Delta airlines is having a flight with travel charge of 200, shall I proceed booking?
assistant
You can book it.
user
Your ticket has been booked with flight-1022, have a safe journey.
assistant
Thank you for helping.
user
It's ok, thank you for choosing us.
assistant