You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how exactly I can serve you the best today?

USER:  Can you please book a flight ticket on dates June 13 and June 15?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: From which airport would you like to start and end your journey?

USER: My airport codes are ORD and MSP.

ASSISTANT: Is there any class preference for you?

USER: I need a ticket in economy class.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need a break.

ASSISTANT: Do you have any other requirements?

USER: Make sure I need a return ticket in the afternoon.

ASSISTANT: To move forward, may I know your name please.

USER: Ok, my name is Gary Hill.

ASSISTANT: We found a connecting flight with fare of 100 and 1001 flight number. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your seat has been reserved with United Airlines in economy class and you will arrive in the afternoon time at 19:00 PM.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.