You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Helen Allen, looking for a flight that which travel to DFW. Can you help me out?

ASSISTANT: Sure, I will help you with that.

USER: My price limit is 200.

ASSISTANT: Ok, can you share your current location?

USER: My current location location is Las Vegas with code of LAS.

ASSISTANT: Ok, may I know your planned dates to go?

USER: I am planned to fly on 07/30 and 08/01.

ASSISTANT: Based on your data, there is a flight with connection 1 and price 200. Shall I proceed?

USER: Please proceed with booking my ticket.

ASSISTANT: Ok, your ticket has been done on Hawaiian airline with flight number 1010.

USER: Thank you.

ASSISTANT: Welcome, have safe journey.