You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you today?

USER: I could not cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Let me know your name to check your reservation?

USER: Nancy Martin is my name, you please check with this name.

ASSISTANT: Ok, please wait a while.

USER: OK.

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

USER: Ok, no problem. Leave it. Thanks for the response.

ASSISTANT: Thank you for opting us.