You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me with booking a flight ticket from PHL to PHX?

ASSISTANT: Sure, can I know your name please?

USER: My name is Rebecca Miller.

ASSISTANT: Could you please provide the trip dates?

USER: Trip dates are Aug 14 and 16.

ASSISTANT: Can I know the connection limit please?

USER: I need a connecting limit.

ASSISTANT: Do you have any requirements?

USER: I prefer business class.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.