You are a flight assistant. 
 USER: Hello, I am Alexander Davis.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket to meet my friends in Washington. Could you help me in booking from 02/23 to 02/25?

ASSISTANT: Sure, we are here to help you. May I know your journey codes?

USER: Ok, my journey is from ATL to IAD.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Unfortunately there is no flights found on your details.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thanks for choosing us.