You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help 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: Sure, can you please help me with your name?

USER: Myself John Collins.

ASSISTANT: Thank you. Please wait for a while, I will check your reservation status and let you know.

USER: Sure, take your time.

ASSISTANT: Sorry, I did not find any reservation by your name in our database.

USER: It's ok, thank you for your help.

ASSISTANT: You are welcome and thank you for contacting us.