You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you today?

USER: Could you please make a reservation with a single connection? The airfare does not exceed 5000.

ASSISTANT: Sure, Share your travelling dates and airport codes for further process?

USER: My travel dates are 04/17 and 04/19.

ASSISTANT: May I know your name?

USER: My name is Nicole Rodriguez, I want to start from AUS and return from DEN.

ASSISTANT: Wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. We have no flight found with your data.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.