You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid 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, may I know your name?

USER: Myself Jennifer Turner.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Ok.

ASSISTANT: Sorry Jennifer Turner, no reservation is available by your name.

USER: That's fine, thank you.

ASSISTANT: Thank you for choosing us.