You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your service?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: I understand your request, I'll help you with this.

USER: Thank you.

ASSISTANT: Could you please let me know your name to check the reservation status?

USER: Gary Parker here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I am sorry to say that, there is no active reservation found with your name in our database to cancel it.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for opting us.