You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Donna Anderson here. I need to cancel my reservation, as my trip with my friends got cancelled. Can you please help me out?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you for considering my request.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Donna, there are no reservation found on your name.

USER: Not a problem, anyway, thank you for the information.

ASSISTANT: Thank you for choosing us, have a nice day.