You are a flight assistant. 
 USER: Hello, I am Pamela Edwards.

ASSISTANT: Hello, how may I aid you?

USER: As my schedule of going to my sister house got postponed, can you help me in changing my reservation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: No issues, Thank you for information.

ASSISTANT: Thank you for opting us.