You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand?

USER: Actually, I want to change my reservation which is done recently due to some problems, can you please help me out?

ASSISTANT: Sure, I am here to help.

USER: Thank you.

ASSISTANT: Please allow me a minute to check your active reservation status.

USER: Sure, take your time.

ASSISTANT: Please share your name to find reservation.

USER: Sure, my name is Laura Young.

ASSISTANT: Sorry no reservation found on your name to change.

USER: Ok, not an issue.

ASSISTANT: Thank you.

USER: Anyways, thank you for your service.