You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me in reserving the ticket from SEA to PHL?

ASSISTANT: Sure, can I have your travelling dates please?

USER: I am planning my trip on June 14 and again I will return back on June 16.

ASSISTANT: Is there any class preference for you, please let me know?

USER: I am comfort to travel in any class.

ASSISTANT: Do you have any airline preference?

USER: No, I don't have any particular airlines.

ASSISTANT: What is your maximum connection limit?

USER: I am planning to travel in single connection flight.

ASSISTANT: We found an United airline of flight 1009 in an economy class with lay by. Shall I proceed?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us. May I know your name please?

USER: Myself Virginia Taylor.

ASSISTANT: Thank you.

USER: You are welcome.