You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Charles Young.

ASSISTANT: How can I assist you?

USER: I want to visit New York city, so I need a plane ticket from Las Vegas. Can you please help me?

ASSISTANT: Ok, may I know your travelling dates?

USER: Thank you. My departure and arrival dates are 05/14 and 05/16.

ASSISTANT: Can you please mention your travelling airport codes?

USER: My source and destination airport codes are LAS and LGA.

ASSISTANT: Here is a flight ticket with fare 100 and connection limit is 1 and 1015 as flight number. Shall I proceed?

USER: Can you please search a flight with connection limit 0?

ASSISTANT: Sorry, I did not find direct flight for you.

USER: It's ok, thank you for searching the flight.

ASSISTANT: Thank you for reaching us.