You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. how can I help you today?

USER: I am Mary Hernandez. I am looking for a flight from SFO to CLT, can you help me out please?

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

USER: My trip dates are from 10/05 till 10/07.

ASSISTANT: Sorry, no flights are available on your route. Thank you for opting us.

USER: That's ok, no problem. Thank you for your information.