You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to visit New York, NY - LGA. Can you book a flight ticket with one connection?

ASSISTANT: Sure, may I know your journey dates?

USER: My arrival is on 04/05 and depart is on 04/03.

ASSISTANT: Please provide me your source airport code.

USER: I want to depart from MI - DTW.

ASSISTANT: May I know your price limit?

USER: Price limit is 5000.

ASSISTANT: May I know your name please?

USER: I am George Scott.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Sorry, there is no flights found with your given details.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your helping hand.