You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jacob Wright.

ASSISTANT: How may I serve you at this moment?

USER: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Can you help me with that?

ASSISTANT: Sure, please hold for a moment, let me check with your recent reservation status.

USER: Ok.

ASSISTANT: There is no existing reservation found on your name in our records.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for approaching us.