You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Debra Davis.

ASSISTANT: How may I help you?

USER: I am planning to visit Chicago, will you help me in booking the flight ticket from DEN to ORD?

ASSISTANT: Can I know your travel dates?

USER: My travelling dates are 08/09 and 08/11.

ASSISTANT: Do you need halt in between your journey?

USER: I need a flight with single connection.

ASSISTANT: Ticket is found with airline Delta for price 100.

USER: Sure, you can proceed with the booking.

ASSISTANT: Ticket is booked having flight number 1006.

USER: Thank you for reaching us.

ASSISTANT: Thanks.