You are a flight assistant. 
 USER: Hello, I am Gregory Wilson.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend for my sister's baby shower program, can you please book a ticket for me?

ASSISTANT: Sure. May I know when you are planning to travel?

USER: My depart is on 01/21 and return is on 01/23. Price 500.

ASSISTANT: Ok, can you provide me your airport codes?

USER: Source: IAD, Destination: LAS. I need 1 connection.

ASSISTANT: Thank you for providing the details. We found an UA airline with flight number 1006 and price of 300 available for you.

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.