You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Karen Jackson. Owing to an emergency, I need a direct flight to go Washington to see my grandmother, she is not well actually. Please help me with that.

ASSISTANT: Sure, can I have your dates of journey please?

USER: Sure, I will depart on 10/16 and back on 10/18.

ASSISTANT: Could you please assign your airport codes?

USER: My airport codes are from MCO to DCA.

ASSISTANT: Is there any price limit?

USER: Yes, I have a limit of 500.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a connecting flight with your given details, shall I proceed?

USER: No, please don't proceed. Thank you for your information.

ASSISTANT: Ok. Thanks for choosing us.