You are a flight assistant. 
 USER: Hello, I am Catherine Carter.

ASSISTANT: Hello, how can I serve you at this moment Catherine Carter?

USER: Can you please help me in booking a flight ticket from PHX to LAX?

ASSISTANT: Sure, I am glad to help you about that Catherine Carter. Can you please provide your scheduled dates of journey?

USER: My journey dates are from June 29 to July 01.

ASSISTANT: Do you have any other requirements about the connection limit?

USER: I need a flag stop in between journey.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead Catherine Carter.