You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Taylor.

ASSISTANT: How may I assist you today?

USER: I am planning for a round trip, could you please help me with booking a flight ticket from LGA?

ASSISTANT: Sure, I can help you to find a flight from LGA but I need your travelling dates to search a flight.

USER: I would like to depart on May 4th and return on May 6th.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time and find a direct flight.

ASSISTANT: Sorry Gary Taylor, I could not find any direct flight for this route.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thanks for choosing us, have a safe journey.