You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: Margaret Parker here. This weekend, I am planning a vacation to visit Millennium Park with my children.

ASSISTANT: Sure, may I know your airport codes?

USER: My origin and destination codes are MCO to ORD.

ASSISTANT: Can you provide your trip dates please?

USER: I am planning it in between 06/12 to 06/14.

ASSISTANT: There is a flight for you with 1017 in UA airline.

USER: Please ensure that flight has 1 connection limit.

ASSISTANT: Yes, the flight has 1 connection limit as per your request. Shall I proceed?

USER: Ok, book my ticket please.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.