You are a flight assistant. 
 USER: Hello,. I am Larry Parker.

ASSISTANT: Hello, how may I serve you the best today?

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

ASSISTANT: Sure, help me with the trip dates?

USER: I want to travel on 03/30, and return on 04/01.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight and want to depart at afternoon time.

ASSISTANT: Sorry, there were no flights available at this moment due to some technical issues.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us. Hope to serve you again.