You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Charles Johnson.

ASSISTANT: What help do you require from our travel agency?

USER: Can you please help me with cancelling my reservation?

ASSISTANT: Sure, I can assist you with the ticket cancellation process. Can you please hold on for a minute?

USER: Thank you. I will wait for your response.

ASSISTANT: Sorry for the inconvenience, I have not found your previous reservation with your name to cancel.

USER: Oh! It may not be booked properly due to server issue. Anyway, thank you for your time.

ASSISTANT: My pleasure. thank you for choosing us.