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

ASSISTANT: Hello, how may I assist you?

USER: Could you please book a ticket from Denver, DEN to Washington, DCA?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share your travel dates?

USER: I want to travel on 04/19 and return on 04/21.

ASSISTANT: Do you have any specifications?

USER: I need a way station in between my journey.

ASSISTANT: We found an airline Hawaiian with flight 1013 having a fare 100 with halt. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you.