You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I want to reserve my ticket from MCO to IAD, can you please help me in booking my ticket?

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

USER: Sure, my planned dates of journey are from Jan, 25 to Jan, 27.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class preference.

ASSISTANT: Would you like to board a connecting flight or direct flight?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Christopher Johnson.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your details.

USER: Ok, no problem. Anyways, thank you for your service.

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