You are a flight assistant. 
 USER: Hi. I am Carolyn Martinez.

ASSISTANT: Hello, how can I abet you?

USER: Please help me with changing my reservation.

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for being on hold. We hardly tried to find your reservation but, no reservation has been found with your name.

USER: That's fine, thanks for the information.

ASSISTANT: Thank you for reaching us.