You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Pamela Perez. Can you please change my recent reservation?

ASSISTANT: Sure, please wait.

USER: Ok, I will wait for your reply.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, thank you for checking.

ASSISTANT: Your welcome.