You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: James Lopez here.

ASSISTANT: How may I help you?

USER: I'm planning to attend a wedding, please book a ticket from MCO to PHX.

ASSISTANT: Do you have any preferences?

USER: I want to return in the afternoon in a single connected flight.

ASSISTANT: May I know your travel dates?

USER: Sure, my planned departure and return travel dates are 18th and 20th of September.

ASSISTANT: Do you have any class preference?

USER: No, I'm ok with any class.

ASSISTANT: Sorry, there is no flight found with your details.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.