You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to book a ticket from SEA to PHL. Can you please help me out?

ASSISTANT: Sure, Can you share your trip dates?

USER: I am planning to travel on Mar 02 and return back on Mar 04.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference?

USER: No, my return date should be morning.

ASSISTANT: Are there any other requirements other than these?

USER: No.

ASSISTANT: Please forward your good name.

USER: My name is Gregory Davis.

ASSISTANT: Thanks for your details, there are no flights found on your specified trip dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for availing us.