You are a flight assistant. 
 USER: Hi'.

ASSISTANT: Hello. How may I assist you?

USER: I am Edward Garcia, want to cancel my recent reservation due to some personal issue. Please help me out with that.

ASSISTANT: Sure, I will help you in flight ticket cancellation. Please wait for a moment.

USER: Thank you. Sure.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

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

ASSISTANT: Thank you.