You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Raymond Young here. Please help me out in booking the ticket from ATL to AUS.

ASSISTANT: Let me know the travel dates please.

USER: My trip dates will be Dec 9 to Dec 11.

ASSISTANT: Is there any class preference?

USER: Economy is my class preference.

ASSISTANT: Are there any more preferences?

USER: I want 1 connection limit.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Raymond Young, I regret to inform that there no flights on your route with the given dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.