You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I render you today?

USER: I am John Gonzalez.

ASSISTANT: Ok.

USER: I just want to cancel my reservation, due to cancel of my trip with friends. Can you please help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.