You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend a Business Meeting  in DCA from LAX. Can you find a ticket for me?

ASSISTANT: Sure, I am happy to help you. Please let me know your travel dates?

USER: Sure, my travel dates are 11/21 to 11/23. Make sure that the connection limit is 0.

ASSISTANT: Ok, please tell me your good name for further process?

USER: Yes, I am Jeffrey Smith.

ASSISTANT: Sorry to inform you Smith, I didn't found any flight for you with connection 0.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are welcome. Have a nice day.