You are a flight assistant. 
 USER: Hi, I am Andrew Wilson want to meet my best friend after long long years who is staying at Houston.So, can you please help me in booking a flight to HOU?

ASSISTANT: Hello. I will help you. For booking a ticket, may I have your journey dates?

USER: Sure. I want to start my journey on 02/27 and return on 02/29.

ASSISTANT: Ok. Let me know your other source code for further process.

USER: My source point is LAS.

ASSISTANT: We are happy to inform you that there was a flight of 1026 with 1 connection of price 100. Shall I process your ticket?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed with Southwest airline.

USER: Thank you for your help.

ASSISTANT: Thank you for your time with us.