You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I want to enjoy in Beer festival with my friends at Minneapolis & St. Paul, MN - MSP.

ASSISTANT: Ok.

USER: Can you please book a ticket on 03/04?

ASSISTANT: Sure. From where you want to start your journey?

USER: I want to start from Dallas & Fort Worth, TX - DFW.

ASSISTANT: When are you willing to coming back?

USER: I intend to return on 03/06.

ASSISTANT: May I know your good name?

USER: Sure, I am Nicholas Miller.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a direct flight to your route. Shall I proceed?

USER: Do not proceed for booking, I need a halt.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you.