You are a flight assistant. 
 USER: Hi. Helen Young here.

ASSISTANT: Hello, how may I help you?

USER: Please help me out in booking the ticket from BOS to HOU.

ASSISTANT: Sure, can I know your travelling dates?

USER: My trip dates will be May 15 to May 17.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My return time must be in the afternoon.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I want 1 connecting time.

ASSISTANT: Which class do you prefer?

USER: No.

ASSISTANT: We found Southwest airline with price 800 and business class and airline number is 1029 with arrival time is 19 PM and departure time is 03 AM, Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.