You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I be of your assistance today?

USER: As I am a scientist, I want to attend science festival with my students at Boston. Can you do the reservation?

ASSISTANT: Sure, we are glad to aid you. Let me know your journey dates.

USER: Dates are 09/04 and 09/06.

ASSISTANT: Help me with your journey locations.

USER: My airport codes are ORD-BOS.

ASSISTANT: Do you want direct flight or connecting flight?

USER: I need break in my journey.

ASSISTANT: Thanks for sharing your details. May I know your name?

USER: Anna Hall here.

ASSISTANT: Sorry, there is no flight found to your route due to bad weather conditions.

USER: No problem, Thank you.

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