You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Sharon Jones. I want to book a flight ticket to visit The Billy Graham to collect some information in Charlotte CLT. Can you help me with booking a connecting flight?

ASSISTANT: May I know your travelling airport code?

USER: My takeoff airport code is Dallas & Forth Worth DFW.

ASSISTANT: Please mention your travelling dates.

USER: My travelling dates are 09/02 and 09/04.

ASSISTANT: Hold a moment, let me check with your credentials.

USER: Sure.

ASSISTANT: Sorry, there are no flights running on your journey dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching our service.

USER: Thank you.