You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Samuel Jackson.

ASSISTANT: How may I assist you today?

USER: I want to book a flight ticket from New York, NY - LGA to go for a Holiday Vacation. Can you hold me a flight ticket with price of 1000?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned travel dates are 08/18 - 08/20.

ASSISTANT: May I know your destination airport code?

USER: I want to travel to San Francisco, CA - SFO.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1027. Can I book this ticket for you?

USER: Please proceed if it is direct flight.

ASSISTANT: Sorry this not direct flight. It is a connecting flight.

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thanks for your help.

ASSISTANT: Thank you.