You are a flight assistant. 
 USER: Hello. I am Samuel Lee.

ASSISTANT: Hello, how could I assist you at this moment?

USER: I need to book a ticket to teach a special class to students because they pay more for me. Could you please help me in booking a ticket from SFO?

ASSISTANT: Sure, I am happy to help you. Can I know your connection limit to make your journey simple?

USER: Sure, I prefer to have a connection in between the journey.

ASSISTANT: Ok, can you please share your dates of journey?

USER: My travelling dates are 03/24 and return on 03/26.

ASSISTANT: Ok, kindly mention your destination airport code?

USER: My destination code is LGA.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Unfortunately there were no flights found on your specifications.

USER: No problem, thank you for your information.

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

USER: Thank you for your quick response.