You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Pamela Harris. My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, sorry to inform no reservation found on your name.

USER: That's ok, not an issue.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Anyways, thank you for the information.