You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Anna Campbell. Can you please reserve me a flight ticket on Apr 15 in the afternoon time to attend a business meeting at Chicago?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Can you please share your airport codes?

USER: I am planning to take off from BOS to reach ORD.

ASSISTANT: May I know your return date?

USER: I intend to return on Apr 17.

ASSISTANT: Is there any class preference?

USER: I need an economy class ticket.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for your details, we found a AA airline with flight number 1017 price is 100. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for availing us.