You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to meet my school friend at New York, please help me in booking a ticket from BOS to LGA.

ASSISTANT: Sure, let me know your travelling dates.

USER: My planned travel dates are on Sept 14 and Sept 16.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the morning.

ASSISTANT: May I know your name please?

USER: My name is Ryan Perez.

ASSISTANT: Sorry, there are no flights found with your given details.

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

ASSISTANT: Thank you for opting us.