You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Denver to meet my uncle, will you help me in booking the flight ticket on Apr 25?

ASSISTANT: Sure, I am glad to help you. May I know your genesis and terminus airport codes?

USER: My airport codes are MSP and DEN.

ASSISTANT: Do you want to book return flight ticket?

USER: I would like to return on Apr 27.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any specifications?

USER: I always prefer business class.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: May I know your name?

USER: Myself Steven Jackson.

ASSISTANT: JetBlue airlines with flight 1018 is providing a connecting flight and ticket costs you 700 in business class.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked Steven Jackson. Flight departs at 1:00 hours and arrives at 20:00 hours.

USER: Thank for helping me.

ASSISTANT: Thank you for reaching us.