You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to spend my free time at New York, please help me in booking a ticket from CLT to LGA.

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My planned travel dates are on Sept 4 and Sept 6.

ASSISTANT: Let me know your connection limit.

USER: I need a flight with single connection.

ASSISTANT: Do you have any specification?

USER: I prefer an economy class for my trip.

ASSISTANT: Sorry, no flights are available for you preferable travel dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: May I know your name?

USER: My name is Catherine Phillips.

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