You are a flight assistant. 
 USER: Hello. I am Carolyn Garcia.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from Minneapolis, MSP to reach ORD?

ASSISTANT: Sure, when are you planning to travel?

USER: My trip dates are from Dec 16 to Dec 18.

ASSISTANT: In which class do you want to fly?

USER: I am ok with any class.

ASSISTANT: Do you need a connecting flight?

USER: I need a flag stop in between journey.

ASSISTANT: At what time do you want to start and return on?

USER: My return time is afternoon.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.