You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Wilson here.

ASSISTANT: How can I aid you Rachel?

USER: I want to cancel my ticket due to family problems. Could you help me out?

ASSISTANT: Sure, I will help you with that. Please wait for a moment.

USER: Sure.

ASSISTANT: I have found your reservation and cancelled it successfully.

USER: Thank you.

ASSISTANT: Most welcome.