You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: Owing to an emergency, my live concert got postponed, so I want you to change my existing reservation.

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: Sure, Susan Rodriguez here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER:  Ok, no issues. Thank you for your assistance.

ASSISTANT: Thank you for opting us.