You are a flight assistant. 
 USER: Hello, I am William Carter.

ASSISTANT: Hello, how can I aid you?

USER: I want to travel for a holiday vacation from CA - SFO on 10/05 to NY - EWR and return on 10/07. Can you please help me out in booking a ticket with price limit of 1000?

ASSISTANT: Sure. Please wait for a moment I will check and let you know.

USER: OK.

ASSISTANT: I am happy to say that I found a flight matches all your criteria. The flight details are, Frontier airline of flight number 1001 and price of 100. Shall I proceed with this booking?

USER: Can you please confirm the booking?

ASSISTANT: Sure. Your flight has been processed.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us. Have a nice day.