You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Jackson.

ASSISTANT: Brandon Jackson, how may I assist you with today?

USER: Can you please help me to book a flight ticket from MSP to LGA?

ASSISTANT:  Sure, I will help you. May I know with your planned travel dates please?

USER: I have planned my travel dates are Nov 25 to Nov 27.

ASSISTANT: Thank you for the details.

USER: Ok.

ASSISTANT: After rechecking with my database, I see there are no active flights that matches your requirements.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us. Have a great time.