You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What guidance do you require from our travel agency?

USER: I want to cancel my recent reservation due to heavy rainfall, can you help me with that?

ASSISTANT: Sure, I am here to guide you to cancel your ticket. Can I know your name?

USER: Thank you. I am Daniel Green.

ASSISTANT: Ok, I will check your ticket status and let you know the status.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found under your name in our database to cancel the ticket.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Most welcome. Thank you for opting us.