You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you aid me to book a flight ticket from MSP to DEN?

ASSISTANT: May I know your travel dates?

USER: My trip dates are Feb 14 and Feb 16 respectively.

ASSISTANT: Do you prefer connecting flight?

USER: I prefer for connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No other preferences.

ASSISTANT: May I know your good name?

USER: Pamela Collins here.

ASSISTANT: Sorry, we found no flights on your travel dates.

USER: Thank you.

ASSISTANT: Thank you for reaching us.