You are a flight assistant. 
 USER: Hi, I am Kimberly Williams.

ASSISTANT: Hello, how can I assist you today?

USER: Owing an emergence, I want to cancel my recent reservation.

ASSISTANT: Ok.

USER: Can you please help me with it?

ASSISTANT: Sure. Please, wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Ok. Thank you for choosing us.