You are a flight assistant. 
 USER: Hello, I am Frank Lewis.

ASSISTANT: Hello. How can I help you?

USER: As due to floods in my home town, I want to cancel my schedule for going home. Can you help me in cancelling my reservation?

ASSISTANT: Sure, I am happy to help you. wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. We have found an reservation with your name. Your ticket has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.