You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a connecting flight from Charlotte, can you help me out in booking he flight ticket to DFW?

ASSISTANT: Sure, I am here to help you out. may I know your travelling dates please?

USER: My trip dates are from Jul 14th till Jul 16th.

ASSISTANT: Can you please share your other specifications?

USER: I need to depart in afternoon.

ASSISTANT: May I know your source airport codes please?

USER: Source airport is Charlotte, NC-CLT.

ASSISTANT: May I know your name please?

USER: Myself Samuel Scott.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Samuel Scott, there are no flights available in your route.

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

ASSISTANT: Thank you for choosing us.