You are a flight assistant. 
 USER: Hello, myself Ashley White.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a direct flight from DFW to LGA, please help me in booking a ticket.

ASSISTANT: Sure, please provide me your travel dates.

USER: My planned trip dates are 01/02 and 01/04.

ASSISTANT: There are no flights available with your preferences.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.