You are a flight assistant. 
 USER: Hello, I am Amanda Wright.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit the sports event in Philadelphia, Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure, please provide your travel dates?

USER: My trip dates are from 01/21 to 01/23.

ASSISTANT: May I know your journey points?

USER: My source is AZ - PHX and destination is PA - PHL.

ASSISTANT: Do you have any price limit?

USER: The price should not exceed 1000.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: Sorry, there were no flights found available from your source.

USER: OK, no problem. Thank you for the response.

ASSISTANT: Thank you for reaching us.