You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

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

ASSISTANT: Sure, could I have your name please?

USER: Sure, I am Virginia Edwards.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal to cancel further.

USER: Ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for consulting us, have a great day.