You are a flight assistant. 
 USER: Hi, my name is Stephen Moore.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to head to MCO  from Denver to meet my parents. Can you help me with it?

ASSISTANT: Ok. May I know your travelling dates?

USER: My journey is on 07/20 and 07/22.

ASSISTANT: To proceed booking I need your source code.

USER: DEN is my source.

ASSISTANT: There is a flight with airline: UA and flight number 1008 with price 100. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you have a safe journey.