You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my last reservation,. Can you please help me out?

ASSISTANT: Sure, could you please provide your name to check the details of your reservation?

USER: Mark White.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting, unfortunately there are no details found regarding your reservation.

USER: Its OK.

ASSISTANT: Thank you for connecting with us. Have a nice day!.

USER: Anyway thank you for the information.