You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Thank you.

ASSISTANT: You are welcome.

USER: Robert Mitchell.

ASSISTANT: Please allow me a minute. Robert Mitchell, I am really sorry to inform you that there is no booking found on your name. Just to confirm, are you connected with me? As, there is no response from your side I need to close this chat. Thank you for reaching us. Have a great time.