You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am a scientist, I would like to research my work at Washington. Please help me in booking a ticket from MCO to IAD.

ASSISTANT: Sure, will you please provide your preferable dates of travelling?

USER: My journey dates are 08/14 and 08/16.

ASSISTANT: Pleas wait a moment to check the flights on your route.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

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

ASSISTANT: Thank you for reaching us, have a great day. For documentation purpose please provide your name.

USER: Sure, my name is Kimberly Nelson.

ASSISTANT: Ok Nelson, thank you for reaching us.