You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dennis Martinez.

ASSISTANT: How may I aid you today?

USER: I want to book a flight ticket to Atlanta to attend an exam, please help me with a connecting flight.

ASSISTANT: Sure, please help me with providing your airport codes?

USER: My source airport code is Boston, MA - BOS. My destination is Atlanta, GA - ATL.

ASSISTANT: Mention your travelling dates?

USER: I will start my journey on 11/27. I will return on 11/29.

ASSISTANT: There are no flights found on your requested dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.