You are a flight assistant. 
 USER: Hello. I am Kimberly Parker.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from DEN, will you please help me in booking a flight ticket to MSP?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are Oct 7th and Oct 9th.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any particular time for departing and returning?

USER: The return time should be evening.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: American Airlines, flight number: 1003 and price is 100 with one connection.

USER: Please reserve it.

ASSISTANT: Your flight ticket has been reserved in economy class. Your arrival time is 20:00PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.