You are a flight assistant. 
 USER: Hello. Melissa Nelson here.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit MCO, can you help me in booking a ticket from LAX?

ASSISTANT: Sure, please tell your travelling dates?

USER: My planning dates are from 10/19 to 10/21.

ASSISTANT: Frontier airline is travelling on your route with 1 connection and the price of the ticket is 100. Are you ok with the airline?

USER: I need a direct flight.

ASSISTANT: I'm really sorry, there are no direct flights available.

USER: It's fine. Thank you for your help.

ASSISTANT: Thank you and have a nice day.