You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Due to some inconvenience in my recent reservation. I have to change my recent reservation. So, will you be my helping hand in this?

ASSISTANT: Ok, can you please provide me your name to check with your reservation details?

USER: My name is Sharon Green.

ASSISTANT: There is no reservation found with your name.

USER: Ok.

ASSISTANT: Have a good day.