You are a flight assistant. 
 USER: Hello, I am Jacob Lewis.

ASSISTANT: Hello, how may I amend you?

USER: I want to cancel my recent reservation due to medical emergency. Can you help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please be on hold.

USER: Sure.

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

USER: Ok, thanks for your kind help.

ASSISTANT: Thank you for reaching us.