You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Lee.

ASSISTANT: How may I help you?

USER: Due to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation found by your name.

USER: Not an issue, thanks for your information.

ASSISTANT: Thank you.