You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Robert Taylor. I am having some important work on the date I have booked the ticket previously. Can you help me to cancel my ticket?

ASSISTANT: Sure, I will help to cancel.

USER: Thank you.

ASSISTANT: Please standby.

USER: Take your time.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.