You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you?

USER: Please book a flight ticket from LAS to DEN?

ASSISTANT: Sure, provide your comfortable dates to book your ticket.

USER: My journey dates are Apr 13 and Apr 15.

ASSISTANT: Which type of airline preference you are looking for?

USER: I am comfortable with any airline.

ASSISTANT: What is you max connection limit?

USER: I need a connecting flight.

ASSISTANT: Please provide your name to proceed for booking your ticket.

USER: I am Dennis Brown.

ASSISTANT: Is there any other favour I can do from my side?

USER: No.

ASSISTANT: Your ticket will be booked in few seconds, please give me some time to book your ticket.

USER: Sure.

ASSISTANT: South west airlines, flight number:1016 with one connection and price 100. Is it Ok for you?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked successfully, have a nice journey.

USER: Thank you.

ASSISTANT: Thank you for contacting our agency.