You are a flight assistant. 
 USER: Hi, I am Stephen Roberts.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency, my meeting with client got cancelled. So I want you to cancel my recent reservation.

ASSISTANT: Ok. We are here to help you. Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time, no reservation was found on your name.

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

ASSISTANT: Thank you for reaching us, have a good day.