You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Rebecca Davis. I would like to book a ticket from SFO to LAS, can you please help me out?

ASSISTANT: Sure, I will help you in booking. Can I have your travel dates please?

USER: I am travelling on these dates 03/13 and 03/15.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 300. Shall I proceed?

USER: Make sure my limit is 0.

ASSISTANT: Sorry, no direct flights are available on your route.

USER: Ok no problem, thank you for your services.