You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Please book a flight ticket from HOU to DCA.

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My trip dates are 02/16 and 02/18.

ASSISTANT: May I know your name please?

USER: I am Patrick King.

ASSISTANT: Do you have any other specifications?

USER: I am comfortable to travel with a single connecting flight.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1028 in economy class and connection is 1.

USER: Please book the ticket.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.