You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: Can you help me booking a flight ticket from DFW to LGA?

ASSISTANT: Sure, Can you please share your travel dates that you have planned?

USER: I will start on 01/29 and 01/31.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a break in my journey.

ASSISTANT: May I know your good name please?

USER: I am Edward Thomas.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I need to return in the afternoon time.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for approaching us, wish you a great day.