You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to amend my existing reservation due to an emergency, can you please help me?

ASSISTANT: Sure, can you please let me know your name to check with the reservation status?

USER: Sure, my name is Kenneth Wilson.

ASSISTANT: Please allow me 2-3 minutes.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, Kenneth Wilson. Sorry, there is no active reservation found under your name to change.

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

ASSISTANT: Thank you for reaching us.