You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from HOU to BOS to enjoy river rafting with friends. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Jun 25 and Jun 27.

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

USER: I would prefer return time at afternoon. And I want to fly in a normal-cost airline.

ASSISTANT: Are you looking for any class preferences?

USER: No.

ASSISTANT: We found a flight in American Airlines, flight number is 1022 with single connection and price is 100 arrival time at afternoon 16:00PM. Shall I proceed with economy class?

USER: Yes, you can.

ASSISTANT: For further proceeding can I have your good name please?

USER: Sure, Frank Hall here.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.