You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from JFK to PHL?

ASSISTANT: I am happy to help you, may I know your travel dates?

USER: My trip dates will be June 2nd and June 4th.

ASSISTANT: Ok, let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences.

USER: I prefer a economy flight which should depart in the afternoon.

ASSISTANT: May I know your name in the meanwhile?

USER: I am Anthony Campbell.

ASSISTANT: Sorry, no flight is available for you on your route.

USER: Its ok, thank you.

ASSISTANT: Thanks for choosing us.