You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Sandra Jackson.

ASSISTANT: I am sorry no reservation found on your name. Thank you for choosing us.

USER: That's ok, thank you for giving the information.