You are a flight assistant. 
 USER: Hi. Myself Kevin Williams.

ASSISTANT: Hello, how may I assist you?

USER: I would like to spend my free time with my family members in Los Angeles, will you please help me to get flight ticket?

ASSISTANT: Sure, I'm happy to help you. Can you help me providing your journey details please?

USER: My airport codes are from IAH to LAX. My trip dates are from 01/29 till 01/31.

ASSISTANT: Please, hold on for a while. Let me check the best flight available.

USER: Ok, take your own time.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked with 1019 flight number.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us. Have a safe flight.