You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking from JFK to SEA?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are from Dec 30 to Jan 1.

ASSISTANT: May I know your good name please?

USER: My name is Carolyn Anderson.

ASSISTANT: Do you have any preferences?

USER: My depart time is afternoon.

ASSISTANT: Sorry, no flights found in your desired routes.

USER: Ok, No issues, thank you.

ASSISTANT: Thank you for reaching us.