You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please help me in booking a flight ticket from Phoenix, PHX to Houston, HOU?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My travelling dates are from Sept 03 to Sept 05.

ASSISTANT: May I know your good name please?

USER: My name is Scott Wright.

ASSISTANT: Are you expecting any other help from my side please?

USER: Yes, I need a flag stop in between my journey.

ASSISTANT: Ok, wait for a moment please.

USER: Sure.

ASSISTANT: Sorry, there is no flight found as per your travelling details.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: You are welcome.