You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I abet you?

USER: Dorothy Thompson here.

ASSISTANT: Nice to meet you Thompson.

USER: Do you have any flight from AUS to ORD?

ASSISTANT: Can I know your trip dates please?

USER: My trip dates are 05/02 and 05/04.

ASSISTANT: Sorry, there is no flight available as per your request.

USER: That's fine, thanks for your help.

ASSISTANT: Most welcome.