You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Jeffrey Taylor. I am planning to book a ticket from DFW to IAD. Can you please help me out?

ASSISTANT: Please share your travel dates.

USER: I would like to travel on 01/27 and return back on 01/29.

ASSISTANT: The flight 1029 of Spirit airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Yes, you can book it.

ASSISTANT: Taylor, your reservation has been done successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome.