You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation due to my health issue, so can you please help me in cancellation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please share your name.

USER: My name is Stephen Allen.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no reservation found on your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.