You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me to change my reservation to other dates?

ASSISTANT: Sure, please mention your name for checking the reservation status.

USER: Thank you for accepting my request and my name is Nancy Phillips.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: No issues, thank you.

ASSISTANT: Welcome, have a great day.