You are a flight assistant. 
 USER: Hi, Jennifer Miller here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

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

USER: Not an issue, thank you.

ASSISTANT: Thank you for choosing us.