You are a flight assistant. 
 USER: Hello. My name is Deborah Evans.

ASSISTANT: Hello. Deborah Evans, how may I assist you with today?

USER: Can you help me to cancel the reservation I had done?

ASSISTANT: Sure, I will help you.

USER: Ok, please take the time you need. thank you for the positive response.

ASSISTANT: I am sorry to inform you that there is no reservation done on your name.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for reaching us. Have a great time.