You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Sure, I can help you with the ticket cancellation process. Could you please tell me your good name?

USER: Sure, I am Robert Allen.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no reservation found under your name in our portal to cancel.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome. Thank you for opting us.