You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Donald Wright, can you help me to book a flight from IAD on 09/23?

ASSISTANT: Sure, I am gleeful to help you in that one. Is there any return trip that you have planned to book the return flight ticket?

USER: I would like to return on 09/25 from HOU, so please book a return from Houston.

ASSISTANT: Ok, give me a moment to check the flight on your dates.

USER: Sure.

ASSISTANT: I found a Spirit airlines with a ticket fare of 100 and there is a 1 stop over in your journey in the flight 1023, can I confirm your flight ticket booking?

USER: Proceed with booking.

ASSISTANT: Ok, the flight ticket booking is done.

USER: Thank you.

ASSISTANT: You are most welcome and thank you for reaching us.