You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from PHL to CLT, can you help me out?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My trip dates are from Jan 13th till Jan 15th.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Can I know your name?

USER: Myself Richard Mitchell.

ASSISTANT: Thank you for reaching us.