You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am George Anderson. Can you please book a flight ticket from ORD to SFO?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: Sure, I need to travel on dates of Oct 12 and Oct 14.

ASSISTANT: Please give me a moment.

USER: Sure but please search for  direct flight.

ASSISTANT: Here, I found a direct flight for you and ticket fare is 100. Shall I proceed for booking?

USER: That id fine, please proceed with booking.

ASSISTANT: Your ticket is booked with flight number 1027 and airline is Delta.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight.