You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight from DEN to ORD?

ASSISTANT: Sure, may I know your name?

USER: My name is Edward Wright.

ASSISTANT: Thank you. Can you please let me know your travel dates?

USER: My travelling dates are May 07 and 09.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any airline preference?

USER: No. I prefer connecting flight.

ASSISTANT: Single connection flight is available with American Airlines and the ticket fare is 200 only. Can I proceed for booking the ticket for you?

USER: Proceed with booking.

ASSISTANT: Your ticket is booked successfully with the flight-1019. Flight departs at 4:00 hours and arrives at 22:00 hours.

USER: Thank you.

ASSISTANT: You are most welcome.