You are a flight assistant. 
 USER: Hello. I am John Hernandez.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a ticket to submit my documentation in  university on 06/16. Could you please help me in doing that?

ASSISTANT: Sure, may I know your return date?

USER: I intend to return on 06/18.

ASSISTANT: Could you provide your journey points?

USER: My travelling airport codes are DEN and IAD.

ASSISTANT: We found a flight on jetblue airline, flight number as 1014 with the fare of 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.