You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to travel LGA and LAS, can you please reserve flight ticket?

ASSISTANT: Sure, may I know your name please?

USER: Myself Gary Rodriguez.

ASSISTANT: May I know your planned travelling dates please?

USER: My travelling dates are Dec,09 and Dec,11.

ASSISTANT: May I know your class preference please?

USER: I don't have.

ASSISTANT: May I know your connection limit please?

USER: I prefer one connecting flight.

ASSISTANT: There is a connecting flight of fare 200 with economy class in American airline, shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1009.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for your service.