You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

USER: I need make some modifications in my reservation due to some issues in my destination. Can you help me out?

ASSISTANT: Ok, please share your name with me for further process.

USER: Myself Kevin Garcia.

ASSISTANT: Kevin Garcia, can you wait for a moment please.

USER: Ok.

ASSISTANT: Thank you for your patience. There is no flight reservation by the name of Kevin Garcia.

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

ASSISTANT: Thank you for choosing our services.