You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nancy Jackson.

ASSISTANT: How can I assist you today?

USER: I have a business meeting in Charlotte, can you help me for booking a flight ticket from SFO to CLT?

ASSISTANT: Sure, I will help you in booking. Can I have your travel dates please?

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

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, have a nice day.