You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Deborah Lee.

ASSISTANT: Nice to meet you.

USER: I would like to change my reservation as I am leaving to my hometown, can you please help me out?

ASSISTANT: Sure, I will help you on that. Please give me a moment.

USER: Thank you. Sure.

ASSISTANT: There is no reservation found under your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.