Hello.
user
Hello, how may I help you?
assistant
I am Benjamin Brown. Can you help me to book a flight ticket from IAD to LAX?
user
Sure, can I know your travelling dates?
assistant
I will start on Dec, 22 and need to return on Dec, 24.
user
Do you have any particular time for departing and returning?
assistant
My depart and return time should be at morning.
user
Would you like to prefer direct flight or connecting flight?
assistant
I need a connecting flight.
user
Thank you for giving your valuable time, but there are no flights available based on your request.
assistant
That's ok, not an issue. Thank you.
user
Thank you for opting us, we hope to serve you again with better features.
assistant