You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Campbell.

ASSISTANT: Daniel, how can I aid you today?

USER: I would like to participate in a musical concert in San Francisco, so can you please find a flight and book the ticket on 01/14 and return ticket also on 01/16?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for your positive response.

ASSISTANT: May I know your airport codes please?

USER: I would like to fly from ORD location and land on SFO region.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, I can wait for your response.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been booked with 1001 flight number.

USER: Thank you for your help in my flight ticket booking.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.