You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I will help you with that. Can I know your name to check your previous reservation?

USER: Sure, my name is Justin Lopez.

ASSISTANT: Please wait a moment to check.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that there is no reservation found on your name in our records.

USER: Oh! May be I have done a wrong booking. Thank you anyways.

ASSISTANT: Thank you for reaching us, hope you have a great day. Welcome.