You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My trip was cancelled due to some health issues. So can you please help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your name to proceed further?

USER: Yes, my name is Barbara Jones.

ASSISTANT: Sorry Barbara Jones, I cannot find any reservation with your name.

USER: It's ok, no problem.

ASSISTANT: Thanks for contacting us.

USER: Thank you for the information.