You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please help me in flight ticket booking process from PHL to EWR?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you for your response, I want to take off on Feb 04 and book my return ticket also on Feb 06.

ASSISTANT: Ok, may I know your class preferences?

USER: I want to travel in economy class flight.

ASSISTANT: Sure, may I know your name for the documentation purpose?

USER: Sure, my name is Raymond Garcia.

ASSISTANT: Do you have any another preferences on your journey?

USER: I want a direct flight.

ASSISTANT: Unfortunately, no flights available on your requirements.

USER: Oh! It's ok no problem.

ASSISTANT: Welcome, thank you for reaching us.

USER: Thank you for your information.