You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you for the day?

USER: I am Patricia Parker. Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Ok, I will help you in that. Please, wait a minute.

USER: Sure.

ASSISTANT: Thanks for your time. I could not find any reservation on your name.

USER: No problem, thanks for your help.

ASSISTANT: Thank you for opting us.