You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Charles Nelson.

ASSISTANT: Ok.

USER: I am planning to visit the South Mountain Park in Phoenix, so please help me in booking a connecting flight.

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: I want to fly on 08/05 and return on 08/07.

ASSISTANT: Help me with your airport codes.

USER: My source from Chicago IL - ORD and destination code is AZ - PHX.

ASSISTANT: Please standby.

USER: Sure.

ASSISTANT: Thanks for your time. There are no flights found on your route.

USER: Not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you.