You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Helen Martinez, I want to cancel my recent reservation due to cancel of my interview.

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

USER: Sure.

ASSISTANT: Thank you for your time. There is no reservation found on your name.

USER: Not an issue, thanks for quick response.

ASSISTANT: Thank you for contacting us.