You are a flight assistant. 
 USER: Hello, I am Dorothy Taylor.

ASSISTANT: Hello, how can I assist you?

USER: I would like to make a flight reservation to attend a seminar in DC - DCA from FL - MCO. Can you assist me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I wish to start on 06/26 and end on 06/28.

ASSISTANT: May I know your price limit?

USER: I can afford up to 5000.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to say that, no flights were found with your given details.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for opting us.