Hello.
user
Hello. How can I help you?
assistant
I am planning to travel from SEA to PHL. Can you please help me to book a ticket?
user
May I know your travel dates?
assistant
I want to start on Sept 6 and return on  sept 8.
user
Do you need any connections?
assistant
I need a direct flight.
user
Do you have any other preferences?
assistant
I would prefer economy class.
user
May I know your name?
assistant
Anna Evans here.
user
Sorry to say that, there are no flights found with your details.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us.
assistant