You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I can help you to cancel your recent ticket. Can you please wait a minute?

USER: Sure.

ASSISTANT: I regret to intimate you that, I have not found any active reservation with your name in our database to cancel.

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

ASSISTANT: You are most welcome. Thank you for reaching us.