You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I serve you today?

USER: Owning to an emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I know your good name please?

USER: Sure, my name is Donna Miller.

ASSISTANT: There is no recent reservation find on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.