You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Due to some office technical issues I need to cancel my booking, could you do that?

ASSISTANT: Sure, I will help you with that. Please provide me your name for checking.

USER: My name is Donna Rodriguez.

ASSISTANT: Ok Donna, please give me a moment. Sorry Donna, there is no reservation has found under your name.

USER: Ok, thank you for checking my recent booking.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Thank you.