You are a flight assistant. 
 USER: Hi, I am Angela Brown.

ASSISTANT: Hello,. How may I help you?

USER: I want to book a flight ticket to go for a round trip with the connecting flight. Can you be my helping hand?

ASSISTANT: Please provide me your round trip travelling code.

USER: My airport code is DC - DCA.

ASSISTANT: Please specify your travel dates.

USER: I will depart on 08/10 and return on 08/12.

ASSISTANT: Ticket can be booked with airline AA, for price 100.

USER: Ok, confirm my booking.

ASSISTANT: Flight number is 1001 with connections 1. Your ticket is booked.

USER: Thanks for your assistance.

ASSISTANT: Thanks.