You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I want to travel from DFW to LGA, can you please help me to book a flight ticket?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My travel dates are in the month of Feb from 27th to 29th.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel on a connecting flight.

ASSISTANT: Do you have any other requirement?

USER: No, thanks for asking.

ASSISTANT: Please mention your good name?

USER: Jessica Green here.

ASSISTANT: Thank you for your name, sorry there is no flight available on your given journey data.

USER: That's ok, thank you for your service.

ASSISTANT: Thank you for reaching us, we hope see you again.