You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to Global agency.

USER: Carolyn Johnson here, please help me by cancelling my ticket, suddenly trip got cancelled by my family.

ASSISTANT: Sure, let me check in our database.

USER: Ok.

ASSISTANT: Sorry Carolyn, we could not find a reservation by your name.

USER: No issues, thank you for your clarification.

ASSISTANT: You are welcome.