You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to visit to my grandmother's home in SEA. Can you please help me for booking from LAS?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travelling dates are April 24 and 26.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Jacob Walker.

ASSISTANT: Do you have any requirements?

USER: I need a Business class and with a connected flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, thank you.

ASSISTANT: Thank you for approaching us.