You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am unable to travel to airport to board my flight due to severe accident in my way to airport. Can you help me with the cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Karen Harris.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for approaching us.