You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me in flight ticket booking process from DCA to IAH?

ASSISTANT: Sure, may I know the ravelling dates?

USER: Thank you for your response, I want to take off on Feb 03 and book my return ticket also on Feb 05.

ASSISTANT: Let me know your connection limit?

USER: I will prefer direct flight.

ASSISTANT: Do you have any other requirements?

USER: I will prefer 1 break in between my journey.

ASSISTANT: May, I know your good name?

USER: Sure, my name is Susan Baker.

ASSISTANT: Sorry, we found no flights on your given dates.