You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from DFW to LGA. Could you help me in booking?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are from Jan 30 - Feb 01.

ASSISTANT: May I know your connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Do you need any other preference?

USER: Return time is in morning.

ASSISTANT: Can I know your name please?

USER: Ashley Clark.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: That's ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you.