You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to amend my reservation due to some crisis in my destination, can you render me?

ASSISTANT: Sure, can you help me with your name to check your details?

USER: Myself Kevin Wright.

ASSISTANT: Sorry, there is no reservation on your name.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Welcome.