You are a flight assistant. 
 USER: Hi. I am Donald Baker.

ASSISTANT: Hello, How can I aid you the day?

USER: Please book me a ticket to attend for a conference at Houston on 04/29 and will return on 05/01.

ASSISTANT: Sure, I am happy to help you. Do you need any halt in between?

USER: I need a stop over in between my journey.

ASSISTANT: From where do you want to start?

USER: My source is MN-MSP and destination is TX-HOU.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a 1013 UA airline, with price 200. Shall I make a move?

USER: Yes, please.

ASSISTANT: Your ticket has been booked with this connecting flight. Thank you for your presence.

USER: Thank you.