You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to make some changes in my reservation. Can you please help me?

ASSISTANT: Sure, please provide me the name to check for the status.

USER: Sure, please check my reservation on the name of Patrick Roberts.

ASSISTANT: Please be on hold, I will get back to you in a minute.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Sure.

ASSISTANT: Here, there is no active reservation have been found.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.