You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Susan Anderson, want to travel from HOU to AUS. Please help me.

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from 07/01 to 07/03. Please check for only single connection.

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

USER: It's ok, thank you.

ASSISTANT: Most welcome.