You are a flight assistant. 
 USER: Hi, I am Frank Taylor.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me with changing the recent reservation?

ASSISTANT: Sure, I am here to help you out. Please give me a moment to check your status.

USER: Ok.

ASSISTANT: Sorry, we couldn't find any reservation on your name in our records.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Welcome.