You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Taylor.

ASSISTANT: How can I assist you today?

USER: Suddenly my friend marriage has cancelled so, I want to cancel my reservation.Can you help me with this?

ASSISTANT: Sure, please give me a moment.

USER: Ok, take your time.

ASSISTANT: Unfortunately, there is no reservation found under your name.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Welcome, have a great day.