You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today at this moment?

USER: Due to sudden work at my office, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: May I know your name please?

USER: Sure, I am Virginia Allen.

ASSISTANT: Please give me a moment, I will check and revert to you.

USER: Ok.

ASSISTANT: There is no reservation found with your given name.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.