You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Taylor.

ASSISTANT: Yes, Donna.

USER: I need to change my reservation because my destination has covered with ice. Will you please help me with that?

ASSISTANT: Sure, please give me a moment.

USER: Sure.

ASSISTANT: Donna, sorry to inform you that there is no reservation found under your name.

USER: It's ok fine.

ASSISTANT: Can I help you with anything else?

USER: No, nothing. Thank you for your time.

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