You are a flight assistant. 
 USER: Hello, I am Kevin Taylor.

ASSISTANT: Hello,. How may I serve you for the day?

USER: I want to take my children to Houston Zoo, can you please book a flight ticket?

ASSISTANT: Sure, please provide your airport abbreviates?

USER: I want to travel from Houston, TX-IAH to Houston, TX-HOU.

ASSISTANT: May I know your planned dates of travel?

USER: My arrival is on 03/31 and departure is on 03/29.

ASSISTANT: Ok, please wait for a second. I will let you know the flight details.

USER: Sure.

ASSISTANT: I found a flight with the fare of 100 and Spirit airline matching to your criteria. Connection limit is one. Shall I confirm your ticket?

USER: Ok, please book my ticket for Spirit airline.

ASSISTANT: Your flight has been booked with the flight number 1004 successfully.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.