You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my reservation, As my plan to go for a vacation was cancelled.

ASSISTANT: Sure, I will help you. Please provide your name to proceed further.

USER: I am Shirley Brown.

ASSISTANT: Thank you, sorry no reservation found with your name.

USER: Ok, thanks for your response.

ASSISTANT: Thank you for reaching us, have a nice day.