You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Harris.

ASSISTANT: How can I assist you Harris?

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

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Thank you. I will wait for your response.

ASSISTANT: Sorry Harris, no reservation found under your name in our database.

USER: Oh! It may not be booked properly due to some technical issues.

ASSISTANT: My pleasure, have a nice day.

USER: Anyway, thank you for your time.