You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Due to sudden rainfall at my source, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I will help you with that. Can I have your name please to check  your reservation status?

USER: Sure, please check the reservation on the name of Betty King.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry Betty King, no reservation has found under your name to cancel.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.