You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Ryan Carter here. I want to visit Seattle, can you please help me to book a ticket from CA-OAK to WA-SEA?

ASSISTANT: Sure Ryan, can I know the travel dates please? Ok, wait a moment please.

USER: Ok, my dates of travel is from 10/14 to 10/16. Please make sure that the connections limit is 1.

ASSISTANT: Sure. There is a flight in UA airline with price 300, can I book it?

USER: Ok, please proceed with this ticket.

ASSISTANT: Your ticket has been booked with flight number 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.