You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please make a reservation with the name of Gary Parker to attend a meeting in Austin?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey start on Oct 20th, and intend to return back from Austin on Oct 22nd.

ASSISTANT: Can I have your airport codes?

USER: My source and destination airport codes are, BOS to AUS.

ASSISTANT: Do you have any requirements?

USER: I need a break in my journey, so that I prefer one connection. I would like to prefer normal-cost airlines.

ASSISTANT: May I know your name?

USER: I already mentioned above.

ASSISTANT: Sorry, no flight is available for you.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking.