You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Virginia Collins here. I would like to book a flight ticket from DEN to SFO. Can you please help me with booking.

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My planned travel dates are from 09/03 to 09/05.

ASSISTANT: Just a moment.

USER: Sure, I will wait.

ASSISTANT: There is a flight with AA airlines and the ticket fare is 100 only. Shall I proceed for booking?

USER: If it is a direct flight , you can proceed with that ticket booking.

ASSISTANT: Sure Collins, your ticket is booked with the flight-1000.

USER: Thank you for booking.

ASSISTANT: You are most welcome.