You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER:   I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, we are glad to help you. Can I have your good name?

USER: Emily Hill here.

ASSISTANT: Sorry, there is no active reservation on your name in our records.

USER: No issue, thanks for the information.

ASSISTANT: Thank you for choosing us.