You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you today?

USER: I am Brandon Smith.

ASSISTANT: Ok.

USER: Can you please assist me in booking a ticket from MCO to PHX?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Will you please share the starting date and return date of your travel?

USER: I need to attend meeting on 07/18 so, I need to start on 07/17 and need to return on 07/19.

ASSISTANT: Do you have any other preferences to travel?

USER: I need a connecting flight with fare 5000.

ASSISTANT: Thanks for the providing the details, please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting, we are sorry to inform you that no flights are available to travel on specific dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.