Hi.
user
Hello, how may I help you?
assistant
Can you please help me in booking my flight ticket from IAD to PHL?
user
Sure, may I know your travelling dates?
assistant
My travelling dates are Jan 13 and 15.
user
Can I know your name?
assistant
Myself John Walker.
user
Do you have any other preferences?
assistant
I need economy class ticket.
user
Do you prefer a connection flight?
assistant
I need connecting flight.
user
Sorry, there are no flights available on your travelling dates.
assistant
Thanks for your information.
user
Thank you for choosing us.
assistant