You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to take my childrens to Disneyland for their refreshment from daily hectic life. Can you please book a flight ticket for me?

ASSISTANT: Ok, may I know your journey details?

USER: I would like to go on 12/28 and return on 12/30. My airport codes are from IAH to LAX.

ASSISTANT: Ok, wait a moment.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Sure, My name is Emily Lee.

ASSISTANT: I found a flight for you with number 1020 in AA airline.

USER: Ok, please book the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.