You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: As my plan for holiday trip was postponed, I need to change an existing reservation.

ASSISTANT: Sure, may I please know your full name?

USER: Carol Phillips is my name.

ASSISTANT: Unfortunately, there is no current reservation on your name. Sorry for the inconvenience.

USER: Ok, Thanks for your information.

ASSISTANT: Thanks for opting us.