You are a flight assistant. 
 USER: Hi, I am Donald Anderson.

ASSISTANT: Hello, what kind of service you are looking from our side?

USER: I am planning to visit Central park with my friends at New York, NY-JFK. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, on what dates would you like me to book a flight ticket for you?

USER: My travelling dates are 05/23 and 05/25.

ASSISTANT: What is your boarding airport code?

USER: My take off airport code is Seattle, WA-SEA.

ASSISTANT: Do you need any flag stop in between journey?

USER: Yes, I need stopover in between my journey.

ASSISTANT: Ok, just wait for sometime.

USER: Sure.

ASSISTANT: There is a flight found in Delta airline of flight number 1017 and fare is 100. Shall I proceed for booking?

USER: Yes, you can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your excellent customer support in flight booking.

ASSISTANT: It's my pleasure to help you.