You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this minute?

USER: I am looking to make a plane ticket reservation from  HOU to CLT. Can you please aid me to do that?

ASSISTANT: Ok, I am happy to help you with that. Can I know your itinerary dates?

USER: Thank you for considering my request. I am willing to departure on the date Sept 18 and return back on the date Sept 20.

ASSISTANT: May I know your good name?

USER: My name is George Hernandez.

ASSISTANT: Can I know your connection limit?

USER: I prefer a single connecting flight for my journey.

ASSISTANT: Can I know your depart and return timings?

USER: I am looking for a flight which is returning in the evening time.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say that, there are no flights available based on your journey dates.

USER: It's ok, not a problem with that. Anyhow thanks a lot for your time.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.