Hi.
user
Hello.
assistant
I am Donald Allen.
user
How may I render you today?
assistant
I want to book a flight ticket on 09/02 and 09/04, so can you help me with booking please?
user
Sure. Can I know your nearest airport codes?
assistant
Yes, my airport codes are TX-AUS and CO-DEN.
user
Do you need any break?
assistant
  Yes, I need a connecting flight.
user
We found a Delta airline, flight number:1004 and the price is 200.
assistant
Please  proceed with booking.
user
Your flight ticket has been reserved.
assistant
Thank you.
user
Thank you for reaching us.
assistant