You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Anthony Green. I would like to book a ticket from DFW to IAH, can you please help me out?

ASSISTANT: May I know your travel dates?

USER: I am travelling on these dates 10/19 and 10/21.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1000. Shall I proceed with this flight?

USER: I need one connection 0 so please recheck once again.

ASSISTANT: Sorry, there is no flight found with your details.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.