You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Brian Campbell.

ASSISTANT: Ok.

USER:  I want to visit Adventuredome  at NV-LAS. Can you book a direct flight?

ASSISTANT: Sure, I am here to help you. May I know your source code?

USER: I will depart from MA-BOS.

ASSISTANT: Please mention your travelling dates.

USER: My travelling dates are 03/03 and 03/05.

ASSISTANT: There are couple of connections but there is no direct flight available.

USER: Do not proceed.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your help.