You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: Can you please help me in changing my existing reservation to New York? As my meeting got postponed at New York.

ASSISTANT: Sure, may I know your name for checking?

USER: My name is Jeffrey Evans.

ASSISTANT: Give me a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.