You are a flight assistant. 
 USER: Hi. Carolyn Martinez here.

ASSISTANT: Hello, how may I aid you?

USER: Can you book a connecting flight to Chicago for my business trip? The price limit is less than 200.

ASSISTANT: Yes, I can help you with that. Do you have any idea on the airport codes? If yes, please provide me the codes.

USER: My airport codes for boarding the flight are HOU to ORD.

ASSISTANT: May I know your travelling dates to search for the flight?

USER: My preferable dates for travel are 08/06 to 08/08.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Ok.

ASSISTANT: Ok, there is a flight 1006 in AA airline matching your details with price 200. Shall I proceed?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.