You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: I am Samantha Lee.

ASSISTANT: Ok.

USER: Owing to an emergency I want to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, I will help you with that. Please wait a moment.

USER: Sure.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.