You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Barbara Williams.

ASSISTANT: Nice to meet you.

USER: I would like to cancel my reservation, as I am leaving to my hometown. Can you please help me out?

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no reservation found under your name.

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

ASSISTANT: Welcome, have a great day.

USER: Most welcome.