Hello,.
user
Hello.
assistant
I am Donna Mitchell.
user
How shall I address you for the day?
assistant
 I want to participate in the multi-car 50 mile canyon road test drive, which is going to be held at Denver.
user
Ok.
assistant
Can you help me out in booking a ticket?
user
Sure, help me with your airport codes.
assistant
I need to leave from my nearest airport DCA to reach DEN.
user
On which dates you want to travel?
assistant
I want to travel on 07/28, and need to catch return flight on 07/30.
user
Please hold on.
assistant
Sure.
user
There is a flight with 1 connection of price 100 in Delta airline that matches with your information. Can I book a ticket for you?
assistant
Yes, proceed with booking.
user
Ok, confirmation was done.
assistant
Than you for the help.
user
Thank you. Have a nice journey.
assistant