You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation which I have done last week because my trip got cancelled. Please help me out with that.

ASSISTANT: Ok, I will help you with that.

USER: Thank you.

ASSISTANT: Can I know your name?

USER: My name is Matthew Roberts.

ASSISTANT: I found your reservation and got cancelled.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us..