You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation due to postpone of my exams, will you help me in cancelling?

ASSISTANT: Sure, I will help you. May I know your good name?

USER: My name is Gary Adams.

ASSISTANT: Please, wait a while.

USER: Sure.

ASSISTANT: Thank you for your time. We did not find any reservation with your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.