You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Sharon Martinez. I want to attend a business meeting in Detroit.Can you book a ticket from TX - AUS to MI - DTW?

ASSISTANT: Can I know your travel dates?

USER: I want to depart on 09/01 and return by 09/03. The connection limit is 1.

ASSISTANT: Give me a minute, let me check the details. Sorry, there are no flights available on your required dates.

USER: Ok, that's not a problem. Anyways thank you for your help.

ASSISTANT: Welcome.