You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have given wrong dates while booking a ticket, can you help me in changing my reservation?

ASSISTANT: Sure, I can help you with that, before checking your status of reservation can I have your name?

USER: I am Carolyn Lewis.

ASSISTANT: Lewis, Please wait a moment let me check.

USER: Ok.

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

USER: Not an issue, thanks for checking.

ASSISTANT: Welcome, have a good day.