You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit the red rock adventure including jeep tour which is held in Phoenix, PHX. Can you help me to book a connecting flight?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates are Feb 11 and 13.

ASSISTANT: Could you please provide the source airport code?

USER: My source is from Chicago, ORD.

ASSISTANT: Do you have any requirements?

USER: I need a business class flight.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, no issues.

ASSISTANT: May I know your name please?

USER: Sure, This is Angela King.

ASSISTANT: Thank you for approaching us.

USER: Thanks for the information.