You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I made a reservation earlier to a wrong destination so, I want to modify my reservation. Can you help me out?

ASSISTANT: Sure, please wait a while.

USER: OK.

ASSISTANT: Thanks, may I know your name please?

USER: Catherine Perez is my name.

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

USER: Ok, not at all a problem. Thank you.

ASSISTANT: Thank you for availing our services.