You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you change my recent reservation to new travel dates?

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Virginia Harris.

ASSISTANT: Please wait for a moment to check.

USER: Ok, take your time.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: It's ok, thanks for checking my reservation status.

ASSISTANT: Thank you for reaching us.