You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you please help me in booking my flight ticket from DEN to DCA?

ASSISTANT: Sure, I am here to help you. When are you willing to travel?

USER: My travelling dates are Nov 28 and Nov 30.

ASSISTANT: May I know your connection limit?

USER: I need single connection flight.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please help me with your good name.

USER: I am Susan Mitchell.

ASSISTANT: Thanks for providing details, we found a connecting flight in Hawaiian airline with a fare of 200 which departs at 11:00 AM and return at 0:00 AM. Is it ok for you?

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1029.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.