You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Owing for an emergency, I want to cancel my flight reservation. Can you please help me?

ASSISTANT: Can I know your name to check the records of reservation?

USER: Myself Helen Garcia.

ASSISTANT: Yes, please wait a moment I will check.

USER: Sure.

ASSISTANT: Sorry, there is no reservation been found on your name to cancel.

USER: No problem. Anyway, thank you for checking.