You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Linda Lopez here.

ASSISTANT: How can I aid you at this moment?

USER: I want to attend a Marriage in Charlotte. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you in booking your flight ticket.

USER: Thanks.

ASSISTANT: May I know your respective airport codes?

USER: My airport codes are from LGA to CLT.

ASSISTANT: Ok, I need your travel dates to check for flight availability.

USER: My travelling dates are from 05/21 to 05/23.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting, there is a connecting flight available and airfare is about 200. Shall I proceed further in booking?

USER: Make sure my connections limit is 0.

ASSISTANT: Sorry for the inconvenience caused, there are no flights available for your desired intents.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us, have a great day.