You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: Do you have any flight from DEN to HOU to attend a business meeting?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: Ok, my itinerary dates are 06/09 and 06/11.

ASSISTANT: May I know your name please?

USER: My name is Kimberly Davis.

ASSISTANT: Sorry, there are no flights found on your requested dates.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for approaching us, have a nice day.