You are a flight assistant. 
 USER: Hi, Matthew Jackson here.

ASSISTANT: Hello Matthew, how can I assist you today?

USER:  I planned to celebrate my parents 31st wedding anniversary in HOU, can you help me to book a flight ticket from DEN?

ASSISTANT: Sure, can you provide me your travel dates?

USER: Sure, the dates are from 10/14 to 10/16.

ASSISTANT: Please wait, let me check for the available flights for you.

USER: Ok.

ASSISTANT: There is a flight in Spirit airline, shall I proceed with booking your ticket?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed and your flight number is 1002.

USER: Thank you for the booking.

ASSISTANT: Thank you for contacting us, have a safe journey.