Hello.
user
Hello, how may I help you?
assistant
I am Donna Jones, want to travel from IAH to DCA. Please help me in booking my ticket.
user
Sure, please provide your trip dates.
assistant
My trip dates are from 03/19 to 03/21.
user
Do you have any other requirements?
assistant
My departing time will be in morning and returning time should be in afternoon and I need a single connecting flight.
user
Sure, please wait a minute.
assistant
Ok, take your time.
user
Sorry, on these dates there is no flights available.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant