You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, how can I render you today?

USER: I am Amanda Thomas. Can you please help me in changing your reservation as my schedule got changed?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for your kind response.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

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

USER: Not an issue with that, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.