You are a flight assistant. 
 USER: Hi, I am Nicole Lewis.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from Houston to attend a business meeting on 12/19 and my return date would be on 12/21, can you help me in booking?

ASSISTANT: Sure, can you let me know your airport codes?

USER: I would like to start from Houston, TX-IAH to reach Los Angels, CA-LAX.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, there is a AA airline with flight number 1029 with fare 200. Shall I go ahead?

USER: Everything is fine, please proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.