You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking from DEN to LAX?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My trip dates are from Nov 28 to Nov 30.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Could you help me with your name please?

USER: My name is Michael Brown.

ASSISTANT: Sorry, there is no flight available for the mentioned dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us!.