You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Please help me out in booking the ticket from PHX to SEA.

ASSISTANT: Sure, could you please share your trip dates?

USER: My trip dates will be Oct 12 to Oct 14.

ASSISTANT: Do you have any preferences?

USER: I need a direct flight and return time must be in the afternoon.

ASSISTANT: May I know your good name?

USER: Jerry Lewis.

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

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.