You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I abet you today?

USER:  I am Ronald Garcia. I want to attend a meeting at Washington,DC-IAD.

ASSISTANT: Ok.

USER:  Can you book a ticket from TX-DFW?

ASSISTANT: When did you schedule your trip?

USER: My travelling dates are 04/18 and 04/20.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: There is a direct flight found to your destination.

USER: Ok, provide me the flight details.

ASSISTANT: Your plane 1004 of UA airline with the fare of 100. Shall I proceed?

USER: Ok, confirm my booking.

ASSISTANT: Reservation of your ticket has been done. Thank you for reaching us, have a nice day.

USER: Thank you for booking.