You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: I am here to help you about that, can you please provide your name for checking the reservation status under your name?

USER: I am Ruth Parker.

ASSISTANT: Sorry Ruth Parker, there is no active reservation under your name in our booking list.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome, thank you for reaching us.