You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you today?

USER: I'm Stephanie Carter. Please cancel my recent reservation.

ASSISTANT: Sure, we are glad to help you. Please give me a moment to check your details.

USER: Ok.

ASSISTANT: Stephanie Carter, there is no reservation found under your name.

USER: Thanks.

ASSISTANT: Thank you for reaching our service.