You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please help me to book a flight ticket from HOU to LAS.

ASSISTANT: Sure, can you give me your trip dates?

USER: My journey dates are from Oct, 01 to Oct, 03.

ASSISTANT: Do you need any connections?

USER: I need a single connecting flight.

ASSISTANT: Are there any other preferences?

USER: I prefer to return in the afternoon.

ASSISTANT: May I know your name?

USER: Anthony Turner.

ASSISTANT: Connecting flight number 1004 with price 200 in economy class is available. Is it ok?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.