You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to change my existing reservation to New York due to owing an emergency.

ASSISTANT: Ok, may I know your name?

USER: My name is George Martin.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry there is no any reservation found on your name.

USER: No issue. Thanks for your quick response.

ASSISTANT: Thank you, have a nice day.