You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket from SFO to DCA to attend seminar, can you help me in booking?

ASSISTANT: Sure, We are here to help you. When would you like to make your trip?

USER: I am departing on Apr 01 and return on Apr 03.

ASSISTANT: Do you need any break?

USER: I prefer a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Angela Anderson.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I do not have any other specifications.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: Sure, take your time.

ASSISTANT: We found a connecting flight with an AA airlines, flight number:1001. Can I reserve it?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.