You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my ticket due to my health issue, can you help me with that?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation status.

USER: I am Elizabeth Perez.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Sorry Elizabeth Perez, there is no active reservation on your name in our database.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for reaching us.