You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Patricia Smith.

ASSISTANT: How can I assist you today?

USER: Owing for an emergency, can you please help me to cancel my reservation?

ASSISTANT: Sure, I will help you with that. Please give me a minute.

USER: Sure.

ASSISTANT: Sorry, I did not find any reservation under your name.

USER: Not an issue, anyway thank you very much for checking.

ASSISTANT: My pleasure, have a nice day.