Hello,. I am John Evans.
user
Hello, how may I assist you?
assistant
 I want to participate in the multi-car 50 mile canyon road test drive, which is going to be held at Denver. Can you book me a ticket within the range 200?
user
Sure, may I know your airport codes?
assistant
I need to leave from my nearest airport ATL to reach DEN.
user
Can you please share me your travel dates?
assistant
I want to travel on 11/14, and need to catch return flight on 11/16.
user
We found a flight on your details with airline Delta, flight number:1026. Shall I book this ticket?
assistant
Yes, proceed.
user
Your ticket has been booked.
assistant
Thanks for your kind help.
user
Thank you.
assistant