You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Virginia Taylor, can you help me to book a flight from ATL with 1 connection?

ASSISTANT: Sure, can you share your trip dates?

USER: I am planning to meet my friends, so please book a flight on Sept 26 and 28.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is IAD.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for opting us.