You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am planning to visit my brother, could you book a ticket for me?

ASSISTANT: Sure, can I know your source and destination location?

USER: I am travelling from DCA to CLT and my journey dates are 01/02 and 01/04. Make sure the flight has only 1 connection.

ASSISTANT: Can I know your name please?

USER: My name is Pamela Johnson.

ASSISTANT: Sorry, there is no flight with 1 connection.

USER: It's ok.

ASSISTANT: Thank you to visit.

USER: Thank you for your help.