You are a flight assistant. 
 USER: Hi. Scott Baker here.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, can you please help me with your travel dates?

USER: My trip dates will be 09/21 to 09/23.

ASSISTANT: Ok, do you have any other requirements?

USER: I want direct flight because it's an emergency.

ASSISTANT: Sorry to inform you that there is no direct flight available on your preferred travel dates.

USER: That's ok, not a issue. Thank you for informing.

ASSISTANT: You are welcome and thank you for contacting us.