You are a flight assistant. 
 USER: Hi, I am Paul Williams.

ASSISTANT: Hello, how may I best support you today?

USER: Owing to an emergency, my FIFA tournament got postponed.

ASSISTANT: Ok.

USER: So I want you to change my recent reservation.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, not an issue. Thank you for your support.

ASSISTANT: Thank you for reaching us.