You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jennifer Green. Actually, I want to cancel my reservation.Because of my health problem. Can you help me out?

ASSISTANT: Yes, sure.Give me time to check is there any reservations under your name. Jennifer Green, there me no reservations under your name.

USER: Oh! that's fine for me.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your help and support.