You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Roberts.

ASSISTANT: Nice to meet you Richard. How may I assist you today?

USER: I want to cancel my recent reservation because of some personal issue. Will you please help me with that?

ASSISTANT: Sure, please wait for a moment to check the reservation details.

USER: Take your time.

ASSISTANT: Thanks for your patience. There is no previous reservation done on your name, so, there is no ticket found to cancel it. Do you want any more information from us?

USER: It's ok, not an issue.

ASSISTANT: Ok fine.

USER: No, I don't want any other information.

ASSISTANT: Thanks for contacting us, have a great day.

USER: Thank you.