You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Sarah Wright. I want to cancel my recent reservation, due to some health issue. Can you please cancel my ticket?

ASSISTANT: Sure Sarah, please give me a minute.

USER: Sure.

ASSISTANT: Sarah, there is no reservation found with your details.

USER: That's fine. Thank you for your help.

ASSISTANT: Thank you for contacting us.