You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Debra Perez here. My wedding venue has been postponed, so I want to amend my reservation.

ASSISTANT: Sure, I will help you in amending your reservation but please be on hold for sometime to check the reservation status with your name.

USER: Sure, take your time.

ASSISTANT: I regret to say this Debra Perez, there is no active reservation with your name in our booking list to amend your reservation.

USER: No problem, thank you.

ASSISTANT: You are welcome, thank you for reaching us.