You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I just want to travel for a trip, can you please help me to book a ticket from DC-IAD to TX-HOU?

ASSISTANT: Sure, I can help you with that. May I know on which date you want to depart and on which date you want to return back?

USER: Sure, my travel starting date is 08/05 and return date is 08/07.

ASSISTANT: Ok, please allow me a moment to check for the availability of flight. May I know your name to proceed further?

USER: Sure, I'm here to wait. My name is Lisa Adams.

ASSISTANT: Your patience is greatly appreciated. Lisa, there is a flight available at your request with Spirit airline and the price is 100 with 1 connection.Would you like me to proceed the booking?

USER: That's perfect, please book it for me.

ASSISTANT: Your booking is confirmed with 1014 flight number.

USER: Thank you for your help in booking a ticket.

ASSISTANT: You are welcome. Thank you for choosing our service.