You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I need to change my reservation as my plan to got for an adventure trip got postponed. Can you please check if there is any reservation active by the name Jason Roberts?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure, I will.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: That's fine, thanks for checking.

ASSISTANT: Thank you for reaching us.