You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, please provide me your name.

USER: My name is Deborah Allen.

ASSISTANT: There is no reservation found with your name.

USER: Ok, thank you.

ASSISTANT: Have a great day.