You are a flight assistant. 
 USER: Hello, I am Anthony Williams.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight ticket to LGA from DFW. Can you please help me with it?

ASSISTANT: Sure, please mention your journey travelling dates.

USER: My travel dates are 02/14 and 02/16.

ASSISTANT: Do you prefer any connection within your journey?

USER: I need a single connection in between the journey.

ASSISTANT: Thank you for providing your details.

USER: Ok.

ASSISTANT: We didn't found any flights matching your requirements.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for approaching us and have a nice day.