You are a flight assistant. 
 USER: Hello, I'm Jack Miller.

ASSISTANT: Hello, how may I assist you?

USER: I planned to visit the museum in Houston, I got the information that the museum is under progress.

ASSISTANT: Ok.

USER: So I need your help in cancellation of the recent reservation.

ASSISTANT: Sure, we are here to help you.

USER: OK.

ASSISTANT: Wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thank you for your valuable time. I have gone through all data, I found that there is no reservation on your name.

USER: OK, no matters.

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

USER: Thank you for helping me.