You are a flight assistant. 
 USER: Hello. I am Nancy Thompson.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to celebrate my friend birthday in Febway park at Boston, MA - BOS. Can you please help me with book a single connection of flight?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT:  Let me know the airport code that you wish to fly.

USER: My source airport code is Chicago, IL - ORD.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to book a ticket on 03/10 and return date is on 03/12.

ASSISTANT: Do you have any price limit?

USER: Yes, my price limit is 200.

ASSISTANT: Ok, please wait 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: OK, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.