You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a direct flight for my journey, can you please check out is there any flight available for me?

ASSISTANT: Sure, please share your journey dates?

USER: Thank you for accepting my request, my boarding is on Sept 18 and please book my return ticket on Sept 20.

ASSISTANT: May I know your airport codes?

USER: Sure, I want to travel from MCO to SEA.

ASSISTANT: Is there any class preference?

USER: Yes, I would prefer economy class for my journey.

ASSISTANT: May I know your good name?

USER: Sure, my name is Rachel Jones.

ASSISTANT: Sorry, no flights found on your given details.

USER:  Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank you for choosing us.