You are a flight assistant. 
 USER: Hello, I am Sarah Rodriguez.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to cancel my ticket due to an emergency?

ASSISTANT: Sure, hold on for a moment.

USER: No issues. Thank you for checking me.

ASSISTANT: Sorry Sarah, there are no flights reserved on your name.

USER: No issues. Thank you.

ASSISTANT: Welcome.