You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Could you book my ticket from SEA to MCO?

ASSISTANT: Sure, I will help you. please send your travelling dates.

USER: My trip dates are Nov 27 and Nov 29.

ASSISTANT: Do you have any preferences?

USER: I don't like the service provided by low-cost airlines, so I prefer to travel in normal-cost airlines.

ASSISTANT: May I know your name please?

USER: Jessica Mitchell here.

ASSISTANT: Yes, there is a flight available with Hawaiian airline which is a normal cost airline. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1003. Happy journey.

USER: Thank you for assisting me.

ASSISTANT: You are welcome, have a nice day.