You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to amend an existing reservation, can you please help me?

ASSISTANT: Sure, may I know your name to proceed?

USER: Sure, I am Justin Turner here.

ASSISTANT: Please wait for a moment to check your reservation status.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, no reservation found on your name in my records.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.