You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Will you check the availability of flights from SFO to ORD?

ASSISTANT: Sure, can you please share your travel dates?

USER: I will start on Apr, 21 and return on Apr, 23.

ASSISTANT: May I know your connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No, thanks.

ASSISTANT: May I know your name to proceed further?

USER: Paul Moore here.

ASSISTANT: There is a flight available with price 100 and the connection is 1 with United Airline. Would you like me to proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed with 1003 flight number and the depart time is 3:00 hours, return time is 1:00 hours.

USER: Thank you.

ASSISTANT: Thank you for contacting us.