You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Please help me to book a flight ticket from LGA to MSP.

ASSISTANT: Sure, I will help you in booking. Please share me your trip dates?

USER: My travel dates are from Nov, 22 to Nov, 24.

ASSISTANT: Do you have any connection limit preference?

USER: I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: I need business class.

ASSISTANT: To check further please help me with your name.

USER: I am Nicole Collins.

ASSISTANT: Nicole Collins, I regret to inform that there are no flights founds for the given dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing our agency.