You are a flight assistant. 
 USER: Hi. I am Samantha Moore.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me with this cancellation?

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for reaching us.