You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Thomas Miller.

ASSISTANT: Yes, Thomas Miller.

USER: Due to heavy rains, can you cancel my reservation?

ASSISTANT: Sure, please wait a moment.

USER: Sure,.

ASSISTANT: There is no reservation found for your name.

USER: That's fine. Thank you.

ASSISTANT: Thank you for choosing us.