You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Can you please reserve me a flight ticket from JFK to PHL?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are Feb 04 and Feb 06.

ASSISTANT: Do you have any specifications?

USER: I prefer to return in the afternoon time.

ASSISTANT: May I know your name?

USER: I am Kenneth Moore.

ASSISTANT: Please give me a minute to check the availability of flights.

USER: Sure, I want to travel in economy class flight.

ASSISTANT: Ok. Sorry, there were no flights found on your preferable travel dates.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for contacting us.