You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Thompson here.

ASSISTANT: How can I aid you at this moment?

USER: I'm planning to visit SFO, can you please help me in booking the ticket from DEN?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my planned travel dates are 07/09 and 07/11.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sire, I'll wait for your response.

ASSISTANT: Based on your information, Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I confirm this flight ticket for you?

USER: That's fine, you can proceed for booking.

ASSISTANT: I have been confirmed your flight ticket, flight number is 1019.

USER: Thank you so much for your help.

ASSISTANT: You are welcome Katherine Thompson.