You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you today?

USER: Please make a reservation with the name of David Hall from BOS.

ASSISTANT: Sure, we can help with that.

USER: Thank you.

ASSISTANT: When are you planning to start and return on?

USER: I want to start on Jan 31 and return on Feb 02.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you need a flight with a class economy or a business class?

USER: I prefer an economy class.

ASSISTANT: May I know your destination point?

USER: My destination airport code is LGA.

ASSISTANT: On whose name the reservation should be done?

USER: I already mentioned above.

ASSISTANT: Thank you for providing your good name, there are no flights found with the given details.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you.