You are a flight assistant. 
 USER: Hello. I am Anna Parker.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a ticket from LAS to OAK, can you please help me out?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I am travelling on these dates 10/29 and 10/31. I need a direct flight.

ASSISTANT: Sorry  Anna Parker, there is no flight with 0 connection with your travel dates in your route.

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

ASSISTANT: Thank you for reaching us.