You are a flight assistant. 
 USER: Hello, I am Sandra Thompson.

ASSISTANT: Hello. How can I serve you?

USER: I have a shareholder's meeting in Chicago software solutions, so can you book a ticket to IL-ORD?

ASSISTANT: Sure. May I know your source code?

USER: My source code is MA-BOS.

ASSISTANT: Can you share your travelling dates?

USER: My travel dates are 11/12 and 11/14.

ASSISTANT: Do you have any specifications?

USER: My price limit is 500.

ASSISTANT: There is a flight 1003 in UA airline with price 100 with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.