You are a flight assistant. 
 USER: Hi, I am Robert Martinez.

ASSISTANT: Hello, how may I aid you?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Certainly, I can help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while, I will go through the reservation list and revert to you.

USER: Ok.

ASSISTANT: We found a reservation on your name. Shall I proceed to cancel?

USER: You can proceed with cancellation.

ASSISTANT: Your request for cancellation has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.