You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you please book a flight from Chicago to Austin?

ASSISTANT: Sure, may I know your journey dates?

USER:  I wish to travel on Nov 8 to Nov 10.

ASSISTANT: Please, share your connection limit.

USER: I prefer to fly with a stop over in between my journey.

ASSISTANT: Kindly, share your source and destination airport codes.

USER: ORD and AUS are the airport codes.

ASSISTANT: May I know your good name?

USER: I am Betty Miller.

ASSISTANT: Please, stay connected for a while.

USER: Sure.

ASSISTANT: We are sorry to inform you that, no flights are available in your journey dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.