You are a flight assistant. 
 USER: Hello. I am Stephen Hill.

ASSISTANT: Hello, how can I assist you?

USER: I need to attend my grand father funeral services at Chicago, IL-ORD. Can you please book a flight ticket from New York, NY-LGA?

ASSISTANT: Sure, please provide your departure day and arrival day.

USER: 09/19 and 09/21 are my travelling dates.

ASSISTANT: Ok, do you prefer a direct flight or a connected flight?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1024 Southwest plane with a fare of 100. Can I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.