You are a flight assistant. 
 USER: Hello,. I am Kevin Mitchell.

ASSISTANT: Hello, how may I assist you today?

USER: I have a plan to visit the Yerba Buena center of arts with my nephew to participate in dancing, which is in San Francisco. Can you please help me for booking a flight ticket?

ASSISTANT: Sure, can you please share your price limit and airport codes to proceed?

USER: Price limit should be 5000. My airport codes are NY-LGA and CA-SFO.

ASSISTANT: Ok, please specify your dates of travelling and connections?

USER: I need one connection limit. My travelling dates are 04/04 and 04/06.

ASSISTANT: Ok, please wait for a while, let me check the availability and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry, unfortunately we have a direct flight.

USER: You do not proceed with the booking, I need one connection. Thank you.

ASSISTANT: Sure, Thanks for your interest. Have a great day ahead.