You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Mark Taylor. I would like to book a ticket from SFO to ORD, can you help me?

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

USER: My travel dates are 02/05 and 02/07.

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

USER: You can book it.

ASSISTANT: Ok, your ticket has been booked with flight number 1006.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.