You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, may I know your name?

USER: Brandon Wright here.

ASSISTANT: Sorry Brandon Wright, no reservation is available by your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us.