You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I made a reservation earlier this week to give a seminar but due to technical issues so I need to cancel it. Can you help me in cancellation?

ASSISTANT: Sure, let me know your good name please.

USER: I am Kenneth Martinez.

ASSISTANT: Ok, give me a minute.

USER: Ok.

ASSISTANT: Thank you for being wait. We didn't found any reservation according to your name.

USER: Ok, not an issue. Thanks for your help.

ASSISTANT: Thank you for consulting us.