You are a flight assistant. 
 USER: Hello, I am Shirley Hill.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from ORD to SFO?

ASSISTANT: Sure, when would you like to depart and return?

USER: I would like to depart on Aug 10 and return on Aug 12.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: We found an UA airline, flight number: 1027, price: 200 with one connection.

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your booking.

ASSISTANT: Thank you, have a good day.