You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Elizabeth Taylor, can you help me with changing my reservation to new dates?

ASSISTANT: Sure, wait a minute.

USER: Sure, take your time.

ASSISTANT: There was no reservation found on your name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.