You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Dorothy Adams. I need to schedule my trip to visit Charlotte. Can you please help me in reserving the ticket from LGA to CLT?

ASSISTANT: Sure, I will help you. Could you please let me know your planned journey dates?

USER: I am planning my trip on May 25th, and again I will return back on may 27.

ASSISTANT: Do you have any other requirements?

USER: My depart time is afternoon, my airline preference is normal-cost.

ASSISTANT: Give me a minute, please.

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Thank you for your time, there were no flights available with your requirements. Thank you for approaching us.