You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Laura Mitchell here, I would like to visit Austin, can you please help me to book a ticket from LAS to AUS?

ASSISTANT: Sure, can you please let me know your planned dates to search a flight?

USER: Ok, my dates of travel is from 10/25 to 10/27.

ASSISTANT: Do you have any requirements?

USER: Yes, please make sure that the price limit is 200.

ASSISTANT: There is a flight-1004 of AA airlines, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: OK, your booking is done with price is 100 with 1 connection.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Welcome.