You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I have to attend for a workshop in DCA. Can you please help me to book a flight from DCA?

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

USER: Sure, I want to travel on Apr 4 and need to return on Apr 6.

ASSISTANT: Is there any more specifications?

USER: I am looking for a flight with single connection.

ASSISTANT: May I know your name please?

USER: My name is Gregory Hall.

ASSISTANT: Can you please reconfirm your airport codes?

USER: Sorry, my source airport code is CLT.

ASSISTANT: We found a American airlines, flight number 1024, and the fare of 100 in economy class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for approaching us.