You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Anna Gonzalez here. I have planned to meet my friend.But suddenly he need to go another place.So I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, please allow me a minute.

USER: Ok.

ASSISTANT: Sorry, I haven't found any reservation with your information in our portal.

USER: Any way, thank you for the information.

ASSISTANT: Thank you for connecting with us.