Hello.
user
Hello, how may I help you?
assistant
I would like to travel from DFW to IAH as a business trip.
user
Sure, may I know your name?
assistant
Ruth Parker here.
user
Can I know your trip dates?
assistant
My journey dates are 07/18 and 07/20.
user
May I know your connection limit?
assistant
I need only direct flight.
user
May I know your other preferences?
assistant
No.
user
Sorry, there are no flights available on your travelling dates.
assistant
No problem, Thanks for the information.
user
 Thank you for choosing us.
assistant