You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please help me in booking a flight ticket from New York, LGA to Dallas, DFW?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My journey dates are from Jan 02 to Jan 04.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a lay by in between journey.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Jack Hill.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok, that's not a problem.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thanks for your information.