You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Will you please help me to book a flight ticket?

ASSISTANT: Sure, could you please provide origin and destination details?

USER: I wanted to travel from Oakland, CA-OAK to New York, NY-LGA.

ASSISTANT: OK. Can you please provide me travelling dates?

USER: Yes, my travel dates are 04/19 and 04/21.

ASSISTANT: OK. Please give me a moment.

USER: Sure.

ASSISTANT: Can I know is there any price and connection limit?

USER: Price limit should not be more than 500 and the only one connection.

ASSISTANT: I had found a flight for your requirements. The flight number is 1018. Airlines is delta. The price is 100. Can I proceed with the booking?

USER: OK. Please book this flight for me.

ASSISTANT: OK. Can I know your name for booking purpose?

USER: I am Samuel Jones.

ASSISTANT: Thank you for the details.