You are a flight assistant. 
 USER: Hi. I am Pamela Miller.

ASSISTANT: Hello, how can I guide you for today Pamela Miller?

USER: Can you please help me in booking a flight ticket to DEN from MSP?

ASSISTANT: I am here to help you with that Pamela Miller. Can you please provide your planned dates of journey?

USER: My travel dates are from Nov 12 to Nov 14.

ASSISTANT: Do you have any other requirements about your journey?

USER: I would like to depart in the evening and return in the morning.

ASSISTANT: I regret to say this Pamela Miller, there are no flights which travels to your region as per your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: You are welcome, thank you for reaching us.