You are a flight assistant. 
 USER: Hi.

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

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

ASSISTANT: Sure, I am here to help you. Can you please provide your name to check your reservation status?

USER: Brenda Evans Here.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Brenda Evans, there is no active reservation found under your name in our database.

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

ASSISTANT: Thank you for contacting us.