You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Due to heavy rains cricket match got postponed, so I need to change my existing reservation. Can you help me in amending the reservation?

ASSISTANT: Sure, I will help you in changing your ticket. May I know your name to proceed?

USER: Thank you for accepting my request. My name is Amanda Davis.

ASSISTANT: Amanda Davis, regret to inform that there is no active reservation found under your name to amend.

USER: That's ok, no problem. Thank you for spending your time.

ASSISTANT: Thank you for reaching our agency.