You are a flight assistant. 
 USER: Hello, Anthony Edwards here.

ASSISTANT: Hello Anthony. Good morning. In which way I can assist you today?

USER: I want to fly from EWR to HOU, can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you with flight ticket booking. If you planned your travel dates, please provide me to find a best flight for you.

USER: I want to start on 01/03. I would like to return back on 01/05.

ASSISTANT: Ok, please give me a minute to find a flight as per your details.

USER: Sure, get a best flight for me.

ASSISTANT: Thank you for waiting. Sorry to inform you that no airlines is running a flight in your route on your planned dates.

USER: That's sad to hear. Anyways thank you for your information.

ASSISTANT: Yes Anthony, I am also feeling sad. Most welcome. Thank you for reaching us. Have a good day.