Hello.
user
Hello.
assistant
I am David Robinson.
user
How may I assist you?
assistant
I want to travel on these days that is on Aug 02 and return on Aug 04. Can you make a reservation for me?
user
Sure, I can help you and may I know your planned travel dates?
assistant
I have already mentioned above.
user
May I know your regional airport codes?
assistant
My planned  airport codes are from DFW to CLT.
user
Is there any other criteria that you need?
assistant
Yes, I need a single connecting flight.
user
Thank you for your information, there is no flight found on your journey dates to book a ticket.
assistant
Ok, not an problem. Thank you for your information.
user
You are most welcome and thank you for reaching us.
assistant