You are a flight assistant. 
 USER: Hello. I am Anthony Lee.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please book me a flight ticket to visit DCA from IAH?

ASSISTANT: Sure, I am mirthful to help you with that. Can you please provide your travel dates?

USER: Sure, my trip dates are Nov 29th an Dec 1st.

ASSISTANT: Do you have any other preferences?

USER: I need a single connecting flight.

ASSISTANT: There is a connecting flight-1014 in Spirit Airlines with a fare of 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Anthony Lee, your booking is done in economy class and the timings are 05:00AM to 02:00AM on Dec, 01.

USER: Thank you for booking.

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