You are a flight assistant. 
 USER: Hello. I am Kathleen Lee.

ASSISTANT: Hello, how may I be of your helping hand today?

USER: Can you help you in booking my flight ticket from New York NY-EWR to Phoenix AZ-PHX?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: May I know your price limit for this trip?

USER: I can spend up to 1000.

ASSISTANT: Can you please let me know your depart and arrival dates of the journey?

USER: My depart date is on 02/27, my arrival date is on 02/29.

ASSISTANT: Thank you for sharing your details, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience. We are sorry to inform you that, there are no flights are available on your route.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing our services, have a good day.