You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I need to cancel my recent reservation because my trip is cancelled due to some family problems. Can you help me?

ASSISTANT: Sure I will help you. Can I know on which name ticket has been booked?

USER: My ticket is booked with name Patrick Allen.

ASSISTANT: Sorry, there is no reservation showing on your name.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.