You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight ticket from EWR to HOU?

ASSISTANT: May I know your trip dates?

USER: I want to fly on Apr 21 and return on Apr 23.

ASSISTANT: Do you prefer any connections?

USER: I need a single connection.

ASSISTANT: Do you prefer any specifications?

USER: I would like to prefer economy class.

ASSISTANT: May I know your name?

USER: Myself Barbara Carter.

ASSISTANT: AA airline providing a connected flight with the fare 100.

USER: You can proceed to booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.