You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicole Campbell.

ASSISTANT: How may I amend you?

USER: I want to change my reservation due to my sudden bad health condition.

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation in your name.

USER: Thank you for informing .

ASSISTANT: Thank you for reaching us.