You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: My name is Ronald Thomas and I want to book the flight ticket from AUS to MCO.

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My trip dates are 01/16 and 01/18.

ASSISTANT: Do you have any requirement?

USER: I prefer business class.

ASSISTANT: Sorry Deborah Turner, there is no business class flight in your route.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.