You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, could you please tell me for what assistance you approached us?

USER: Justin Martin this side, looking for a round to HOU for giving a presentation in my company's another branch. Can you help me with that?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your preferable travelling dates?

USER: Sure, it's 02/05 and 02/07.

ASSISTANT: Ok, please tell me from which location you want to travel.

USER: I want to travel HOU.

ASSISTANT: Sorry, no flights found as per your request.

USER: Ok, not an issue. Thank you for your time.

ASSISTANT: Thank you for choosing us.

USER: Welcome.