You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: William Jackson here.

ASSISTANT: How may I help you?

USER: I have to an important meeting in Los Angels, so could you please help me to book a flight from CLT to LAX?

ASSISTANT: Help me with the dates.

USER: My depart is on 04/18 and return would be on 04/20. Make sure that flight should be 1 connected.

ASSISTANT: There is a flight with number 1024, but the connections are 2.

USER: Sorry, I need a 1 connection flight. Don't proceed to book.

ASSISTANT: Ok.

USER: Thank you for the information.

ASSISTANT: Welcome.