You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Karen Evans. I want to book a flight ticket to meet my uncle at SFO, please help me with a connecting flight.

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

USER: My travelling dates are Sep 22nd and 24th.

ASSISTANT: Can I know your departure code too?

USER: My destination code is SFO. My source code is DEN.

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

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for reaching us.