You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Jennifer Lee. I want to fly from CLT to PHX. Can you please help me to book a ticket with in the range of 500?

ASSISTANT: Sure, I am glad to help you in booking a flight ticket.

USER: Thank you.

ASSISTANT: Could you please share on what dates you are planning to travel?

USER: I am planning to travel on 12/27 and return on 12/29.

ASSISTANT: Do you need any stopover in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Unfortunately there is no flights found on your route according to your given dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.