You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am James Lewis want to visit Phoenix, can you book a ticket within the fare of 500?

ASSISTANT: Sure, I am here to help you out. May I know your trip dates please?

USER: Sure, my travelling dates will be 01/09 and 01/11.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Mention me your location airport codes.

USER: Yes, I want to fly from CLT to PHX.

ASSISTANT: Here is a direct flight, is this ok with it?

USER: Please check for a connecting flight.

ASSISTANT: Sorry Jame, there is no connecting flight with your travel dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.