You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning.

USER: Cynthia Perez here.

ASSISTANT: How can I assist you?

USER: Due to a heavy storms in my visiting place, I want to change my existing reservation.

ASSISTANT: Just be on hold, I will revert you.

USER: Ok.

ASSISTANT: Thank you for waiting.But I have not found any reservation by your name.

USER: That's ok. Thank you for your support.

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