You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Samantha Thompson. Due to my ill health, I would like to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation found on your name to cancel.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for contacting us.