You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will do that for you. Let me check your reservation status. May I know your name?

USER: My name is Richard Thomas.

ASSISTANT: Thomas, I did not find any reservation under your name in our database.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: You are welcome and thank you for choosing us.