You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to visit to Frick collection, in New York, LGA. Please book a direct flight.

ASSISTANT: Sure, Can you provide me trip dates please?

USER: I am planning for couple of days i.e from 07/23 to 07/25.

ASSISTANT: May I know your source point please?

USER: I am travelling from Queen city of planes, Denver DEN.

ASSISTANT: Do you have any price limit? Ok, wait for some time.

USER: 5000 is only my price limit.

ASSISTANT: Thanks for waiting we have not found direct flight.

USER: Ok, fine. Thanks for your response.

ASSISTANT: Thanks for connecting us. May I know your name?

USER: I am Jonathan Lopez.

ASSISTANT: Thank you.