You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know how best I can serve you today?

USER: I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from EWR to HOU?

ASSISTANT: Sure, we are here to make your journey comfort. Please share your planned travelling dates to proceed further.

USER: I would like to depart on Dec 28th and return on Dec 30th.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I am looking for a connecting flight in business class.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I am looking for a normal- cost airline.

ASSISTANT: May I know your name please?

USER: I am Eric Phillips.

ASSISTANT: There is a Southwest airline with flight number 1024 leaving from EWR on Dec 28th with 1 stop over in the midway and the estimate is 500. Shall I book a business class ticket?

USER: Please confirm the booking.

ASSISTANT: Your seat has been reserved.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: It's pleasure to serve you.