You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my boss at New York, please help me to book my flight ticket from EWR to LGA.

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to depart on Feb 24 and return back in the afternoon on Feb 26.

ASSISTANT: May I know your connection limit?

USER: I need single connection.

ASSISTANT: Do you have any other specifications?

USER: I prefer for a business class.

ASSISTANT: Your good name please.

USER: My name is Katherine Phillips. Hope it's a good name.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.