You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in booking a flight ticket from DFW to CLT?

ASSISTANT: Can I know your travelling dates?

USER: I want to travel on 12/14, and return on 12/16.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: may I know your name please?

USER: I am George Garcia.

ASSISTANT: I am sorry no flights found on your route.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for choosing us.