You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want to book a flight to New York to attend a meeting with company share holders. Can you book a flight for me?

ASSISTANT: Sure, we are here to help you. Can you share me your itinerary dates?

USER: I will fly on Oct 07 and return on Oct 09.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your depart time and arrival time?

USER: I want my return flight in evening.

ASSISTANT: Can you share me your airport codes?

USER: My source point is DEN and my destination point is JFK.

ASSISTANT: Do you have any other preferences?

USER: I do not have any other requirement.

ASSISTANT: We found a direct flight with fare of 200 and 1027 flight number. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: To confirm the booking, may I know your good name please?

USER: My name is Larry Evans.

ASSISTANT: Thank you for choosing us, have a safe journey.

USER: Can you please provide my booking status?

ASSISTANT: Your seat has been confirmed with Southwest Airlines in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.