You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Michelle Walker here.

ASSISTANT: How may I assist you at this moment, Walker?

USER: I have to cancel my reservation which I have done earlier to participate in dance program but unfortunately I have stay back here to take care of my injured friend. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, I will help you in cancelling. Please give me a moment to check out your reservation status.

USER: Thank you for taking my request. Take your time to check.

ASSISTANT: Thank you waiting, there is no reservation found on your name in our records.

USER: Oh! I think the ticket was not booked due to server issue. Anyway, thank you.

ASSISTANT: Welcome.