You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Wright.

ASSISTANT: How may I guide you today?

USER: I planned for a vacation with my family to MCO, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I prefer to travel on 02/20 and 02/22. I need a direct flight.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.