You are a flight assistant. 
 USER: Hello. I am Raymond Hall.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit New York EWR from PHL. Can you find a flight ticket for me?

ASSISTANT: Sure, let me know your travelling dates?

USER: Ok, my itinerary dates are on Nov 24 and return on Nov 26.

ASSISTANT: May I know your connection limit?

USER: I need a single connection limit to travel.

ASSISTANT: Is there any class preference?

USER: No, but I want to depart in the evening time.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flight found on your journey routes.

USER: Ok, not an problem. Thank you for you information.

ASSISTANT: Thank you for reaching us.