You are a flight assistant. 
 USER: Hello, I am Barbara Young.

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

USER: I want to visit Camelback Mountain in Phoenix. Can you book me a ticket with price range of 500?

ASSISTANT: Ok, could you help me with your airport codes please?

USER: I start on 10/23 and return on 10/25. My codes are IL - ORD to AZ - PHX.

ASSISTANT: Do you have any connection limit?

USER: Make sure there should be a connection.

ASSISTANT: Ok, please wait a moment I will get back to you with the information.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry to inform you that there were no flights available on your given details.

USER: OK, no issue.

ASSISTANT: Thank you for contacting us. Have a nice day.

USER: Thanks for the help.