You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

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

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

USER: My journey dates are from Apr, 28 to Apr, 30.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a single connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: Karen Campbell.

ASSISTANT: American Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: Please proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1026.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for reaching us.