You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, can you help me with your name.

USER: Sure, Sarah Evans is my name.

ASSISTANT: Sorry, no reservation found on our name.

USER: Ok, not an issue. Thanks for your quick response.

ASSISTANT: Thank you for reaching us.