You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from IAD to ORD. Can you help me to book a flight ticket?

ASSISTANT: Can you please provide me with the travel dates?

USER: I want to fly in the flight on Jan 26 and Jan 28.

ASSISTANT: May I know if you have any class preference?

USER: No, but I am looking for a direct flight.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: May I ask you for your name?

USER: Sharon Lopez.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT:  Delta Airlines with flight 1012 is providing service on your route with connecting flight and the cost is 100.

USER: Proceed to booking.

ASSISTANT: Your ticket is booked where departure IAD 6:00 hours Jan 26 and arrival ORD 15:00 hours Jan 28.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.