You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jack Perez. I am planning to cancel my resent reservation, due to health issue.

ASSISTANT: Sure, please wait for a moment to check your details in my records.

USER: Can you please cancel my ticket?

ASSISTANT: Yes sure.

USER: Sure, take your own time.

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

USER: That's fine.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your help.