You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.,. How can I amend you today?

USER: I am Raymond Johnson. Will you please cancel my recent reservation? Because my grandmother got hospitalised suddenly.

ASSISTANT: Sure, we are here to help. Please, wait for a while I will check the reservation.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.