You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to book a flight from LGA to CLT?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My travel dates are Dec 02 to 04.

ASSISTANT: May I know your good name please?

USER: I am Alexander Robinson.

ASSISTANT: Are you looking for any other specifications please?

USER: I would like to travel in business class.

ASSISTANT: May I know your connections limit please?

USER: I prefer direct flight.

ASSISTANT: Sorry, there is no flight available as per your details.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.