You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Davis.

ASSISTANT: How can I assist you/.

USER: I need to cancel my reservation due to my planned trip got cancelled.  So please help me with that.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Deborah Davis, we haven't found any reservation under your name in our database.

USER: Oh! It may not be booked properly due to server issues. Anyway, thank you for your time.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.