You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want change my reservation as in new reservation I want a connected flight for my journey. Can you help me with this?

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Sarah Lewis.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for choosing us.