You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, can you provide me your name?

USER: Kimberly Parker.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: I regret to inform that there is no reservation by the name  Kimberly Parker.

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

ASSISTANT: Thank you for reaching us.