You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me to book a flight from HOU to EWR?

ASSISTANT: May I know on what dates would you like to travel?

USER: Sure, I want to depart on June 23 and need to return on June 25.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other requirements to be met?

USER: I want to travel in an normal-cost airline.

ASSISTANT: Can I have your name please?

USER: My name is Ruth Nelson.

ASSISTANT: Hawaiian airlines providing a connected flight in economy class.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.