You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Ok, may I know your good name to check with your reservation status?

USER: Thank you for accepting my request, myself Gary Wright.

ASSISTANT: I am very sorry to say, but there is no active reservation found by your name Gary Wright.

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

ASSISTANT: Thank you for choosing us.