You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Christina Jones.

ASSISTANT: Nice to meet you Jones.

USER: I am planning to cancel my recent reservation, because of health issues.Can you help me out?

ASSISTANT: Sure, I am happy to help you. Hold on for a moment please.

USER: That's great. Sure.

ASSISTANT: Sorry there are no reservations under your name.

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

ASSISTANT: Thank you for reaching us.