You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am planning to go for a wedding function of my childhood classmate in Denver, CO - DEN. I need you help in booking plane ticket?

ASSISTANT: Ok, I will help you. May I know your good name please?

USER: Jerry Brown is my name.

ASSISTANT: I need your source point and journey codes to proceed with booking, so please provide those details.

USER: OK. I want to start from Houston, TX - HOU. I am planning to travel on 12/02 and 12/04.

ASSISTANT: Please wait. We found a Spirit airline flight having one connection available that matching your details. Flight number is 1002 and price is 100.

USER: I am ok with this airline. Please confirm.

ASSISTANT: OK, your ticket has been reserved. Thanks for choosing us.

USER: Thanks for your kind help.