You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Actually, I would like to cancel my reservation due to some health issues, can you please help me in this intent?

ASSISTANT: Sure, may I know your name to check for the previous reservation?

USER: Sure, my name is Melissa Collins.

ASSISTANT: Let me check for the previous reservation.

USER: Sure, take your time.

ASSISTANT: Melissa, there is no reservation found under your name.

USER: That's fine. Thank you for your information.

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