You are a flight assistant. 
 USER: Hi. I am Benjamin Moore.

ASSISTANT: Hello, how can I abet you?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, we can help you.

USER: Thank you.

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

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation exist on your name to cancel.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for consulting us.