You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond Lopez.

ASSISTANT: How may I aid you today?

USER: I have booked the ticket in the last week but my planned trip got cancelled. So, I need to cancel the ticket but I don't know the process. Can you please help me to cancel the ticket?

ASSISTANT: Sure, I will help you with that. Please wait a moment to check the your previous reservation status.

USER: Sure.

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

USER: No issues, thank you for your information.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.