You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Nicholas Martinez. I am planning to visit Charlotte, can you please help me for booking?

ASSISTANT: Sure, I am here to help you.

USER: My airport codes are LGA and CLT.

ASSISTANT: Can you please share your source and destination airport codes? May I know your travelling dates?

USER: My travelling dates are 06/08 and 0610.

ASSISTANT: There is a flight available from AA airlines with 1 connecting flight on your requested dates. Shall I proceed to book the ticket?

USER: Don't proceed. I want a direct flight.

ASSISTANT: Ok, there is no flight available with 0 connection.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for approaching us.

USER: Welcome.