You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Nancy Hill. I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from DFW to DCA?

ASSISTANT: Nancy Hill, I am willing to help you for this. When you are planning to leave?

USER: I would like to depart on Nov 27th and return on Nov 29th.

ASSISTANT: Do you have any airlines preference?

USER: I am comfortable with any airlines.

ASSISTANT: As per your data, there is a flight with Jet Blue airlines and the ticket fare is 200. Would you like me to make the booking now?

USER: Please confirm the booking if the connection is 1.

ASSISTANT: Your ticket is reserved in economy class with the flight-1020. Your departure time is 11:00Am, and your arrival time is 10:00 Am.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you very much for reaching us.