You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Emma Wright.

ASSISTANT: How may I assist you today?

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. Will you help me with that?

ASSISTANT: Just hold on a moment.

USER: Thank you for accepting my request.

ASSISTANT: We are sorry to inform you that there is no reservation found with your given name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you.