You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Lisa Green. I want to travel from EWR to DCA. Can you please help me with booking a flight ticket?

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

USER: My planned trip dates are Oct 13 and Oct 15.

ASSISTANT: Is there any class preference for you?

USER:  No, I am comfortable with any class.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need one way station in my journey.

ASSISTANT: Do you any other preferences?

USER: Yes, I would like to return in the evening time.

ASSISTANT: There is a connecting flight with fare of 100 and 1015 flight number. Shall I proceed?

USER: Yes, please proceed with that flight ticket booking.

ASSISTANT: Your seat has been reserved with Delta Airlines in economy class and you will arrive at 2:00 AM.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.

ASSISTANT: You are welcome.