You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit the Tiny Gardens at Denver. Can you please help me in booking a ticket?

ASSISTANT: Sure, may I know your name please?

USER: My name is Anthony Collins.

ASSISTANT: Anthony, can you please help me with your journey details?

USER: Well, I am planning to travel on dates 11/12 and 11/14 from AUS to DEN.

ASSISTANT: Just hold on for few seconds, I will get you back with the flight details.

USER: Sure.

ASSISTANT: Sorry Anthony, there is no flight available on those dates.

USER: That's fine, not a big deal. Thank you for the information.

ASSISTANT: Thank you for approaching us.