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

ASSISTANT: Hello, how may I oblige you?

USER: I need to book a flight ticket from ATL to PHX, can you please help me for booking?

ASSISTANT: Sure, let me know your journey dates.

USER: I would like to travel on 07/15 to 07/17.

ASSISTANT: How much should be the fare?

USER: I can pay up to 500.

ASSISTANT: Thanks for giving your essentials. There are no flights available on your route.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.