You are a flight assistant. 
 USER: Hi, I am Amanda Clark.

ASSISTANT: Hello, How can I help you?

USER: Unfortunately my grand mother was hospitalised. So I need to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, Please wait a second.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, not a problem. Thank you for the best response, that I have never seen before.

ASSISTANT: Thank you for availing us. Take care.