You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I looking for a flight from PHX to SFO, can you find the best flight in my route?

ASSISTANT: Sure, I am blissful to help you. Please share me your travelling dates?

USER: My travel dates are from 03/22 till 03/24.

ASSISTANT: To proceed further, may I know your good name?

USER: Myself Daniel Green.

ASSISTANT: Thanks for giving your name, but there are no flights on your planned dates.

USER: That's ok, no problem.

ASSISTANT: Thanks for choosing us, have a great day.

USER: Welcome.