You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from SEA to MCO, can you assist me in booking?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are 10th Sep and 12th Sep.

ASSISTANT: May I know your name please?

USER: Samantha Hernandez.

ASSISTANT: Do you have any specifications?

USER: I need normal-cost airlines.

ASSISTANT: Sorry, no flights were running in your desired routes.

USER: No problem, thank you for helping me.

ASSISTANT: Thank you for opting us.