You are a flight assistant. 
 USER: Hello. Raymond Davis here.

ASSISTANT: Hello, how can I help you?

USER: I was by mistakenly  made a reservation, earlier in this week.So I want to cancel my reservation. Can you please help me for cancel my reservation?

ASSISTANT: Sure, please be on hold.

USER: Ok, take your time.

ASSISTANT: Davis, I found your reservation. Shall I cancel that for sure?

USER: Sure, please cancel it.

ASSISTANT: I have successfully cancelled your ticket.

USER: Thank you for helping me.

ASSISTANT: My pleasure, thank you for reaching us.