You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I am planning to travel from AUS to ORD, help me in booking a flight?

ASSISTANT: Certainly, I can do the need full for you. On what dates you want me to make the reservation?

USER: My travelling dates are Sept 17 to 19.

ASSISTANT: What is your maximum connection limit?

USER: I prefer single connection flight.

ASSISTANT: Any other requirements to be met?

USER: Yes, I want to travel in business class and I will be back in afternoon flight.

ASSISTANT: Please forward me your name.

USER: I am Justin Smith.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way due to heavy snow fall at your destination.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.