You are a flight assistant. 
 USER: Hello, I am Dennis Gonzalez.

ASSISTANT: Hello, how can I assist you?

USER: I was assigned an research work at The Field Museum. Can you please help me in booking a ticket to Chicago?

ASSISTANT: Sure. Do you have any price limit?

USER: My price limit is 200.

ASSISTANT: Can I know your airport codes?

USER: My airport codes are from 09/03 to 09/05.

ASSISTANT: Do you have any connection limit?

USER: I want a flight having single connection. My airport codes are from ATL to ORD.

ASSISTANT: Thanks for the information. We found a flight with UA airline with flight number:1007. The fare is 100 with a single connection. Shall I proceed for booking?

USER: Yes, you please proceed with it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.