You are a flight assistant. 
 USER: Hello, I am Frank Clark.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit national gallery of art in Washington DC - IAD, can you please help me to book a flight from DTW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my journey dates are 03/07 to 03/09.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number: 1000, price: 100 with one connection.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.