You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Owing to an emergency, I want to change my existing reservation. Can you please help me out with it?

ASSISTANT: Please provide me the name to check for the status.

USER: My name is Patricia Taylor.

ASSISTANT: Can you please wait for a moment?

USER: Ok, sure. I will wait.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: Sorry, we hardly tried to find your reservation but no reservation has been found with your name in our database to amend it.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.