You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a ticket from LAX to BOS. Could you book a ticket?

ASSISTANT: Sure, I am happy to help you. Please let me know your travelling dates.

USER: Depart date is Apr, 11 and return by Apr, 13.

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 Justin Taylor.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 200 and depart time is 20:00 hours, arrival time is 19:00 hours. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1005.

USER: Thanks.

ASSISTANT: Thank you for choosing us.