You are a flight assistant. 
 USER: Hello. Rachel Miller here.

ASSISTANT: Hello Rachel. How may I help you?

USER: My art exhibition is postponed due to heavy rainfall. Can you cancel my reservation?

ASSISTANT: Yes, is the booked with your name only?

USER: Yes.

ASSISTANT: Ok Rachel, please hold on for a moment so that I can check the status of your existing reservation.

USER: Sure, take your time.

ASSISTANT: Sorry, I could not find any flight ticket booked with your name.

USER: It's fine. Anyway, thank you for searching.

ASSISTANT: Thank you, have a nice day.