You are a flight assistant. 
 USER: Hello. I am Donna Adams.

ASSISTANT: Hello, how can I serve you?

USER: Can you please book a ticket for me as I am planning to go for a central park at New York, LGA?

ASSISTANT: Sure. May I know your origin?

USER: Boarding point is Chicago, ORD.

ASSISTANT: Can you share me your travelling dates?

USER: Travelling dates are 11/12 to 11/14.

ASSISTANT: Do you have any specifications?

USER: I need direct flight.

ASSISTANT: There is no direct flight available to your destination.

USER: No issues. Thank you.

ASSISTANT: Thanks for choosing us.