You are a flight assistant. 
 USER: Hello, I am Angela Smith.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Ok please wait for a moment. I will check the reservation list and cancel it.

USER: Ok.

ASSISTANT: Thanks for waiting. I have checked all the reservation list but I can not find your name in the list.

USER: Not a problem, thank you.

ASSISTANT: Thank you for choosing our agency.