You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Janet Rodriguez. Can you please help me with changing my reservation?

ASSISTANT: Sure, I am here to help you with this. Please wait for a mean while.

USER: Thank you. Sure, take your time.

ASSISTANT: Sorry Janet, there is no reservation found under your name to change your reservation.

USER: It's ok fine, no problem. Anyway, thank you for your time.

ASSISTANT: You are welcome and have a great day.