You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide service to you?

USER: I want to book a flight  ticket from AUS to ORD, can you please book a flight ticket?

ASSISTANT: Sure, on which dates would you like to travel?

USER: I want to travel on dates 05 and 07 of May.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connection in between the journey.

ASSISTANT: Is there any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, may I know your name?

USER: My name is Kevin Wilson.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for contacting us.