You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Stephanie Carter.

ASSISTANT: Ok.

USER: I would like to cancel my recent reservation due to my exams schedule were changed. Can you help me in cancelling?

ASSISTANT: Sure, wait for a while.

USER: Sure, take your time.

ASSISTANT: There is no previous reservation on your name.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.