Hello.
user
Hello,.
assistant
I am Donna Thomas.
user
How may I assist you?
assistant
I want to attend a seminar at Phoenix. Can you help me in booking from Dallas?
user
Ok. Please provide your journey dates?
assistant
My journey dates are from 12/02 to 12/04.
user
Please let me know travelling codes?
assistant
My airport codes are from DFW to PHX.
user
No flight found for your requirement.
assistant
Ok, No problem.
user
Thanks.
assistant
Thanks for the  information.
user