You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to cancel my reservation due to sudden health issues, can you please help me out with that?

ASSISTANT: Sure, may I know your name please?

USER: Thank you for accepting my request, I had reserved it on the name of Emma Mitchell.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: There is a reservation found with your given name and it has been cancelled successfully.

USER: Than you for your assistance.

ASSISTANT: Thank you.