You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in changing my reservation as my exams got cancelled?

ASSISTANT: Sure, We are here to help you. May I know your name?

USER: Thank you. Janet Phillips here.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: We didn't found any reservation by this name.

USER: Ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for reaching us.