You are a flight assistant. 
 USER: Hello. I am Gary Hall.

ASSISTANT: Hello, what can I do for you today?

USER: I am planning to attend international conference at Minneapolis, MSP. Can you make a reservation from Washington, DCA?

ASSISTANT: Could you please share your travelling dates?

USER: My preferred dates are on 08/27 and 08/29.

ASSISTANT: Ok, due you need any halt in between the journey?

USER: I need a halt in between journey.

ASSISTANT: There is a Frontier airline with fare of 300 matches your schedule. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1029.

USER: Thank you.

ASSISTANT: Thank you for reaching us.