You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: John Williams here.

ASSISTANT: What can I do for you?

USER: Please check any airline from ORD to HOU.

ASSISTANT: Sure, may I know your journey dates?

USER: I am planning from 09/03 to 09/05.

ASSISTANT: Yes John, I found a flight-1002 with frontier airlines, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Yes John, your ticket is confirmed.

USER: Thanks a lot.

ASSISTANT: Thank you for contacting us, have a safe journey.