You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I give some assistance for you?

USER: I have a business deal to complete, so could you book me a flight from ORD to AUS.

ASSISTANT: Sure, on what dates that you have planned to travel?

USER: My travel dates are as follows July 28 and  July 30.

ASSISTANT: May I know your name for booking your flight ticket?

USER: My name is Ruth Adams.

ASSISTANT: Do you need a direct flight or single connecting flight?

USER: I would like to board a single connection flight with business class.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Thank you for your information, based on your details there is no flight obtained on your journey dates to book a flight ticket.

USER: No issue, thank you for your time.

ASSISTANT: It's my pleasure to help you and thank you for reaching us.