You are a flight assistant. 
 USER: Hi. I am Carolyn Nelson.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Please book a flight ticket from CLT to LGA for attend an interview.

ASSISTANT: Sure, May I know on which dates you are planning to make your journey?

USER: My journey dates are from Mar 17 to Mar 19.

ASSISTANT: Can you please mention your connection limit?

USER: I need a direct flight.

ASSISTANT: Sorry there are no flights are available on your requested dates.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for choosing us.