You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure, I will aid you with that. May I know your name for further process?

USER: Thank you. Benjamin Smith.

ASSISTANT: Ok, please wait a moment. I have found your reservation and cancelled successfully.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.