You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I need to book a flight ticket from JFK to LAS, Can you please help me for booking?

ASSISTANT: Can I know your travelling dates?

USER: I would like to travel on 09/23 o return on 09/25.\.

ASSISTANT: Please let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable with economy class.

ASSISTANT: Please let me know your name?

USER: Catherine Smith.

ASSISTANT: Here is a connecting flight with fare 100 and 1006 as flight number in economy class. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.