You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: My name is Barbara Lewis.

ASSISTANT: Good to know you, Barbara Lewis.

USER: My childrens are planning to visit Millennium park at Chicago, so I have to take them there. Please book a flight ticket for me.

ASSISTANT: Yes, please provide me your journey details.

USER: My preferable dates are on 09/02 to 09/04. My airport codes are from MCO to ORD. Please go for only 1 connection.

ASSISTANT: There is a flight available for you with number 1007 from Southwest airline. Shall I proceed for ticket booking?

USER: Ok, please book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.