You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I have planned to go for round trip but I have some work, can you please cancel my recent reservation?

ASSISTANT: Ok, please wait for a while. May I know your name please?

USER: Robert Wilson is my name.

ASSISTANT: Robert Wilson, no reservation was found by your name.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching our consultancy.

USER: Most welcome.

ASSISTANT: Have a nice day.