You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to heavy rainfall, I could not come out. Please cancel my reservation.

ASSISTANT: Ok, may I know your name please to check the reservation?

USER: My name is Ashley Collins.

ASSISTANT: Collins, I found your reservation and I cancelled it successfully.

USER: Thank you for your service.

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