You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I aid you today?

USER: Can you please change my reservation, due to change of my trip plan to another location?

ASSISTANT: Sure, please share your good name?

USER: My name is Robert Gonzalez.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found with the given name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for contacting us.