You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from LAS to LAX.

ASSISTANT: Sure, I am here to help you. Please provide your travelling dates.

USER: Travelling dates are from June, 13 to June, 15.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I would be comfortable with single stop over.

ASSISTANT: Are there any other specifications for you?

USER: No, thanks for asking.

ASSISTANT: May I know your good name?

USER: My name is Nicholas Jones.

ASSISTANT: American Airlines is providing connecting flight with the ticket fare of 100 and depart time is 22:00 hours, arrival time is 17:00 hours. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1020.

USER: Thank you.

ASSISTANT: Thank you for choosing us.