Hello.
user
Hello, how may I aid you?
assistant
I am looking to book a flight ticket from DFW to IAH. Can you help me for that?
user
Sure, we are here to help you. Is there any class preference for you?
assistant
I prefer to book a economy class.
user
May I know your itinerary dates?
assistant
My travelling dates are Oct 06 and Oct 08.
user
May I know your airline preference?
assistant
I don't have any airline preferences.
user
May I know your depart and arrival time?
assistant
I have no time limit.
user
It will be helpful for me, If you share me your good name?
assistant
My name is Linda Taylor.
user
Sorry to inform you that, there are no flights available with your requirements.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant
Welcome.
user