You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Cam you please help me with booking a flight ticket from CLT to LGA?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: Travel dates are Apr 30 and May 01.

ASSISTANT: May I know your name for further process?

USER: My name is Cynthia Wright.

ASSISTANT: Is there any additional preferences do you have?

USER: I need a connecting flight in economy class.

ASSISTANT: Do you have any another process?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.