You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I need to change an existing reservation due to sudden demise of my great grand mother. Can you help me with this?

ASSISTANT: Sure. For changing reservation we need your name, please mention it.

USER: I am Nichole Gonzalez.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

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

ASSISTANT: Thank you for approaching us.