You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I planned to celebrate the food festival in Chicago with my team members. Can you do the reservation?

ASSISTANT: Ok, may I know your travelling dates?

USER: Dates are 03/31 and 04/02.

ASSISTANT: Let me know your source and destination airport codes?

USER: My airport codes are IAD-ORD.

ASSISTANT: Do you have any other specifications?

USER: Price should not cross 1000. I need connecting flight.

ASSISTANT: Thanks for sharing your details, we found a connecting flight with fare of 300 in UA airline. Shall I proceed for booking?

USER: Please carry on.

ASSISTANT: To proceed for booking I need to know your name?

USER: Jennifer Collins here.

ASSISTANT: Your ticket has been reserved with your name.

USER: Thank you.

ASSISTANT: Thanks for availing us.