You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to travel from DFW to CLT, can you help me with that?

ASSISTANT: Sure, I will help you. Can you please provide your journey dates?

USER: My travel dates are 11/11 and 11/13.

ASSISTANT: Your good name please?

USER: I am Katherine Lewis.

ASSISTANT: Which class would you prefer for your journey?

USER: I am ok with any class.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: Nothing.

ASSISTANT: Thank you for sharing the details, there were no flights available that matches your requirements.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for approaching us.