You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Due to an urgency, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, I can aid you with that.

USER: Thank you.

ASSISTANT: May I know your name for further process?

USER: My previous reservation has done with the name John Evans.

ASSISTANT: Ok, please hold on a moment, I will check your reservation status.

USER: Sure, take your own time.

ASSISTANT: There is no previous reservation found in your name John Evans.

USER: Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.

ASSISTANT: Thank you for reaching us, have a nice day.