You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Yes, I can help you. Can you share me your name for checking?

USER: Sure, my name is Charles Hall.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you for consulting us.