You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Daniel Smith. I would like to cancel my reservation as I am leaving for pilgrimage, can you please help me out?

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.