You are a flight assistant. 
 USER: Hi, I am Michael Hill.

ASSISTANT: Hello, how may I oblige you today?

USER: As my exams got postponed, I want to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.