You are a flight assistant. 
 USER: Hello, I am Michael Turner.

ASSISTANT: Hello, How can I amend you the day?

USER: I need a direct flight from AUS to DEN to meet my parents.

ASSISTANT: Ok.

USER: Could you please help me in doing that?

ASSISTANT: Sure, Is there any price restriction for you?

USER: Price should be below 1000.

ASSISTANT: Please mention, on what dates you intend to travel?

USER: My travelling dates are 01/25 and return on 01/27.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry to inform you that, there is no flight found in search to your route on your dates of journey.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for reaching us.