You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be at your service for the day?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Can you help me out?

ASSISTANT: Sure, May I know your good name?

USER: My name is Alexander Hall.

ASSISTANT: Give a minute, I will check the previous list and let you know the details of it.

USER: Ok.

ASSISTANT: No reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.