You are a flight assistant. 
 USER: Hello, Brenda Clark here.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking a flight ticket to LGA from LAX?

ASSISTANT: Sure, I will help you in booking your flight ticket. Could you please let me know your travel date?

USER: Sure, my departure and arrival dates are 03/23 and 03/25.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Brenda, there are no flights available for the given schedule.

USER: No issues, thank you for the details.

ASSISTANT: You are welcome. Thank you for communicating with us.