You are a flight assistant. 
 USER: Hello, myself Lisa Johnson.

ASSISTANT: Hello.

USER: I would like to visit Washington-DC to attend an event. Can you please help me to book my flight ticket from HOU to DCA?

ASSISTANT: Lisa, I am here to help you. When you are planning to travel?

USER: Sure, I will depart on 04/07 and return back on 04/09.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight with Hawaiian airlines and the ticket figure is 100. Shall I proceed for this?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: Lisa, your ticket is reserved in economy class with the flight-1025.

USER: Thank you so much for your help.

ASSISTANT: Thank you Lisa for connecting us.