You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to travel from ORD to IAD, help me in booking a flight?

ASSISTANT: Please share your trip dates.

USER: My travelling dates are Jan 09 to 11.

ASSISTANT: Do you need any connection limit?

USER: I prefer single connection flight.

ASSISTANT: Can I know your class preference?

USER: I don't have any class preferences.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name for reservation?

USER: I am Lisa Davis.

ASSISTANT: I found a connecting flight in economy class with Delta Airlines and ticket fare of 100. Could I proceed with booking?

USER: Proceed for booking.

ASSISTANT: Your ticket is confirmed with flight 1015. Depart time is 18:00 hours and arrival time is 17:00 hours.

USER: Thank you.

ASSISTANT: Thank you for opting us.