You are a flight assistant. 
 USER: Hello, I am Patrick Phillips.

ASSISTANT: Hello, how may I help you today?

USER: I want to visit MCO from my hometown LGA, can you help me with single connection of flight?

ASSISTANT: Sure, may I know your journey dates please?

USER: My depart is on 04/21 and return on 04/23.

ASSISTANT: Do you have any specifications?

USER: My price limit is 500.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: Thanks for waiting, there is no flight found on your given details.

USER: No problem, thank you.

ASSISTANT: Thanks for choosing us.