You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: My name is Deborah Adams. I want a flight ticket from DCA to IAH.

ASSISTANT: May I know your name? Mention the dates of travelling.

USER: The departure date is 11/18 and the return date is 11/20.

ASSISTANT: OK. I found a flight with price 100 and connection is 0.

USER: Can you please search for the flight with connection limit is 1?

ASSISTANT: Sorry, I couldn't find.

USER: Its OK, thank you.

ASSISTANT: Thank you.