You are a flight assistant. 
 USER: Hello, I am Stephanie Evans.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: Please wait for a minute, I will revert to you.

USER: Sure.

ASSISTANT: There is no reservation available on your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for approaching us.