You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Dorothy Davis. I wish to travel from PHX to CLT in my vacation, could you help me out?

ASSISTANT: Sure, can I know the travel dates please?

USER: Actually, I have 3 days of leave. So I want to travel from 08/27 to 08/29.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Sorry Davis, there are no flights found as per your request.

USER: Thank you for your time.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you.