You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know what kind of service you are expecting from us?

USER: I am planning to visit Las Vegas, will you help me in booking the flight ticket from EWR to LAS?

ASSISTANT: Sure, we are here to help you. May I know your planned journey dates?

USER: My preferable journey dates are Nov 21 and Nov 23.

ASSISTANT: Is there any class preference?

USER: I am comfortable in any class.

ASSISTANT: Would you like to travel in direct flight or connecting flight?

USER: I need a flight with single connection.

ASSISTANT: May I know your name please?

USER: Myself Anthony Perez.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: There is a connecting flight with fare of 200 and 1026 flight number. Shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your seat has been reserved with Delta Airlines in economy class.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for reaching us.