You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Paul Harris. I want to cancel my reservation due to some reasons, can you help in cancel my reservation?

ASSISTANT: Ok, please wait for a while I will revert you back to the status of your reservation.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: That's ok, might me my friend has cancelled my reservation.

ASSISTANT: Thank you for contacting us.

USER: Anyway, thank you for your help.