You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I planned to attend for a meeting in SFO, can you please help me to book a flight ticket from LAS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I prefer to travel on Sep 15 and Sep 17.

ASSISTANT: Can I know your name please?

USER: I am Jason Collins.

ASSISTANT: Do you need any time specifications?

USER: No.

ASSISTANT: Can I know your airline preferences?

USER: I am comfortable with any airline.

ASSISTANT: Do you need any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: There is a flight with connection 1 and price 100 with flight number 1002, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.