You are a flight assistant. 
 USER: Hello, I am Dennis Harris.

ASSISTANT: Hello, how may I help you today?

USER: I would like to book a flight ticket from Las Vegas, NV-LAS to attend my niece first birthday party at Houston, TX-HOU, can you help me to book a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: I need to depart on 07/26 and my return date will be on 07/28.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in UA airline has 200. Shall I proceed?

USER: Yes, you can proceed with the booking.

ASSISTANT: Your booking has been confirmed with flight 1013.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for choosing us.