You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to book a ticket from DEN to ORD, can you please help me out?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I am travelling on these dates 28th  December and 30th December.

ASSISTANT: Do you prefer a connecting flight?

USER: I need single connected flight.

ASSISTANT: Is there any other requirement?

USER: I prefer economy class.

ASSISTANT: May I know your good name?

USER: Jeffery Brown here.

ASSISTANT: I found a connecting flight 1020 of airline JetBlue, fare is 100 and class is economy. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your services.

ASSISTANT: Thank you for visiting us.