You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am Ronald Evans. I want to travel from HOU to IAD for my business meeting, can you please help me to book my flight ticket?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. Can you please share your planned travel dates?

USER: I have to depart on July 3 and I have to return back on July 5.

ASSISTANT: Do you have any other specifications?

USER: Yes, I only prefer for a single connection flight.

ASSISTANT: There is a connecting flight-1005 in Spirit Airlines  with a fare of 100. Shall I book it?

USER: Yes, please book the ticket for me.

ASSISTANT: Your booking is confirmed in economy class.

USER: Thank you so much for your help.

ASSISTANT: Thank you for approaching us, have a safe journey.