You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you for the day?

USER: I am James Edwards. I want to change an existing reservation, due to my personal problems. Could you help me in changing a reservation?

ASSISTANT: Sure, can you please wait for a while.

USER: Ok.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.