You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from PHX to SFO. Can you please search a flight for me?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are from 09/30 to 10/02.

ASSISTANT: Do you have any other requirements?

USER: I am looking for direct flight.

ASSISTANT: Well, can I know your name please?

USER: Myself Pamela Scott.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: It's ok, thank you.

ASSISTANT: Most welcome.