You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book my ticket from HOU to DCA. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My planned travel dates are from Feb 11 to Feb 13.

ASSISTANT: May I know your connection limit?

USER: I am looking for a direct flight in my journey.

ASSISTANT: Can I know your name?

USER: Sure, myself Stephanie Campbell.

ASSISTANT: Sorry, there is no direct flight available for you.

USER: Not an issue with this one, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.