You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Samuel Williams.

ASSISTANT: How may I guide you?

USER: Can you please help me with cancelling my reservation? As I need to stay back here only to take care of my mother.

ASSISTANT: Sure, I will help you. Please hold on a moment.

USER: Thank you for accepting my request. I will wait for your response.

ASSISTANT: Samuel, no reservation has been found on your name in our records.

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

ASSISTANT: Thank you for reaching us.