You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What kind of service you are expecting from us?

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

ASSISTANT: Sure, I am here to aid you in cancellation. Let me know on which name your ticket has been reserved?

USER: I am Kimberly Harris.

ASSISTANT: Please give me a moment, let me check your reservation and revert to you.

USER: Sure.

ASSISTANT: Thank you for staying online. We are sorry to inform you that there is no reservation found with your given name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for availing us.