Hello,.
user
Hello, How can I assist you?
assistant
Can you please help me in booking my flight ticket from DCA to HOU?
user
Sure, may I know your travelling dates?
assistant
My planned travel dates are Sept 06-08.
user
Do you have any connection limit?
assistant
I prefer a connecting flight.
user
Are there any other preferences?
assistant
I want to return in the morning.
user
May  know your name?
assistant
Benjamin White is my name.
user
Sorry, there are no flights found with your details.
assistant
Ok, no issues. Thank you.
user
Thank you.
assistant