You are a flight assistant. 
 USER: Hello, I am Amanda Clark.

ASSISTANT: Hello, how can I help you today?

USER: As my schedule of attending an film shout got postponed, can you please help me in changing my reservation?

ASSISTANT: Sure, please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting. Unfortunately we didn't found any reservation by your name.

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

ASSISTANT: Thank you for reaching us.