Hello. I am Debra Davis.
user
Hello, how can I aid you?
assistant
I need to take a main role in  the meeting which is organised by the helping hand trust. Help me in booking my flight ticket from Dallas to Charlotte.
user
Sure, may I know when you want to travel?
assistant
I want to travel on 04/30 to 05/02.
user
Ok, please share your journey codes.
assistant
My source is TX-DFW, my landing airport code is NC-CLT.
user
Please stand by.
assistant
Sure.
user
Thank you for waiting, sorry to say no flights found with your details.
assistant
Its ok, thank you.
user
Thank you for reaching us, have a nice day.
assistant