You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Please wait a moment.

USER: Please check the reservation on the name of Michelle Carter.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching our service.