You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit my friend's home, can you help me out to book a ticket?

ASSISTANT: Sure, please provide your country codes and journey dates.

USER: My source and destination is NY-LGA to IL-ORD. My travelling dates are 04/25 to 04/27.

ASSISTANT: Give me a moment.

USER: OK.

ASSISTANT: Basing on your details, I got a flight with price 100 and number of connections 1. Is it OK for you?

USER: OK, you can proceed.

ASSISTANT: Can I know your name please?

USER: I am Anthony Lee.

ASSISTANT: Sure Lee, your ticket was confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome.