You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket with single connection from Denver to attend a client meeting in Chicago, can you help me in booking?

ASSISTANT: Sure, let me know your travelling dates.

USER: I need to depart on May 4th and my return date will be on May 6th.

ASSISTANT: Please share your airport codes.

USER: My take off and landing points are DEN and ORD.

ASSISTANT: Do you have any requirements?

USER: I prefer to fly with the normal cost airline.

ASSISTANT: Is there any other requirements?

USER: No, I don't have any other requirements.

ASSISTANT: We found an United airlines with single connection and flight number is 1008. Shall I proceed?

USER: That's fine, you can proceed with the booking.

ASSISTANT: May I know your name?

USER: I am Emma Edwards.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.