Hello.
user
Hello, how may I help you?
assistant
Can you please help me to book a flight from IAD to DCA?
user
Sure, may I know your travelling dates?
assistant
Sure, I want to travel on Sept 8 and need to return on Sept 10.
user
May I know your connection limit?
assistant
I need a flight with single connection.
user
Do you have any other preferences?
assistant
I prefer an normal-cost airline to travel.
user
May I know your name?
assistant
My name is Richard Garcia.
user
Sorry, there are no flights available on your travelling us.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for choosing us.
assistant