You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need to have a flight ticket from DFW to JFK for my business meet, can you please help me out with that?

ASSISTANT: When you are willing to travel?

USER: Thank you for taking my request, my boarding is on Jan 19 and please book my return ticket on Jan 21.

ASSISTANT: May, I know your good name?

USER: Sure, my name is Sharon Green.

ASSISTANT: Let me know your connection limit?

USER: I would prefer maximum of 1 connection.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank you for reaching us.