You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there at your service?

USER: Please help me to book a direct flight from Orlando to treat an emergency case in Washington.

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Kindly share your journey point details.

USER: My boarding airport code is MCO and my landing airport code is IAD.

ASSISTANT: When are you willing to make your trip?

USER: I want to reach DC on June 24th and my return date will be on June 26th.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish? Can I know your name?

USER: No, I don't have any other comforts. I am Sarah Mitchell.

ASSISTANT: Ok. Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's fine, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for reaching us.