You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking the flight ticket from EWR to DEN?

ASSISTANT: Sure. Let me know your travelling dates.

USER: My travel dates are Mar 27 and Mar 29.

ASSISTANT: Can I know your name?

USER: My name is Debra Adams.

ASSISTANT: Do you have any preference?

USER: I prefer to travel in business class.

ASSISTANT: Connecting flight can be booked with United airlines for price 600 having flight number 1026.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you.