You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Yes, I can help you. Please wait for a moment.

USER: Sure.

ASSISTANT: I have checked based on your request but no ticket has found on your name to cancel it.

USER: No problem, thank you for checking.

ASSISTANT: You are welcome and have a nice day.