You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: As my plan to visit my grand parents house has been cancelled due to earth equate, can you help in cancellation?

ASSISTANT: Sure, I here to help you. May I Know your name?

USER: Sure, Kenneth Mitchell is my name.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for opting us.