You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to change my existing reservation because my holiday trip has been postponed. Can you help me in changing reservation?

ASSISTANT: Sure. May I know your name?

USER: Sure, Pamela Anderson is my name.

ASSISTANT: Ok. We found a reservation with this name. So will you tell me your journey details.

USER: I need to start from NY - LGA to NY - JFK. My preferable dates are departure on 02/17 and on return on 02/19. I need one connection limit with fare of 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a direct flight with your details. Can I proceed this?

USER: No, I need one connection.

ASSISTANT: No, we are not having with 1 connection.

USER: No problem, I will check another option. Thanks for your information.

ASSISTANT: Ok, thank you for opting us.