Hello.
user
Hello. How may I help you out?
assistant
 I need to book a flight ticket.
user
Sure, I will help you out. May I know your travelling dates please?
assistant
February 10 and 12 are my travelling dates.
user
Can I know the airport codes too?
assistant
DFW and DEN are my to and fro airport codes.
user
Can I know your name please?
assistant
Myself Andrew Lee.
user
There is a flight with connection 1 and price 200, can I proceed?
assistant
Yes, you can proceed.
user
Ok, your ticket has been booked with flight number 1005.
assistant
Thank you for the assistance.
user
Thank you for reaching us.
assistant