You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Alexander Campbell want to visit Atlanta, can you book a ticket from DCA to ATL?

ASSISTANT: Sure, do you have any specifications?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: May I know on which date you want to start your journey?

USER: Sure, my travelling dates will be 05/14 and 05/16.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There is a connecting flight with fare 100, the number is 1025 in airline Southwest.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.