You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Due to heavy rains, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I will help you on that. Please mention the name for checking the reservation.

USER: My name is Lisa Roberts.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: Ok, thank you for your information.

ASSISTANT: Welcome, have a great day.