You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I want to visit Chicago, IL - ORD for site seeing.

ASSISTANT: Ok.

USER: Can you please book a ticket on 09/20?

ASSISTANT: Sure, we are here to help you. Do you need any halt in your journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your origin airport code?

USER: My source is Boston, MA - BOS.

ASSISTANT: Kindly, mention your return date.

USER: I intend to return on 09/22.

ASSISTANT: May I know your good name for further process?

USER: Sure, I am Frank Wright.

ASSISTANT: You have a flight with airline Spirit and flight number is 1028 with 1 connection and price is 100.

USER: Ok, you can proceed for booking.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe journey.