You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am Pamela Carter. As my semester exams has been postponed, Can you please change my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

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

USER: No issues. Thank you.

ASSISTANT: Thank you for making us to serve you.