You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. May I know, How can I be of your service today?

USER: Please book a ticket to Boston on 08/08 and return on 08/10.

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: I need your boarding point and Boston airport code?

USER: My boarding point is Washington, IAD. And Boston airport code is BOS.

ASSISTANT: Ok, We could not provide you the flight at the moment for you, Due to the bad weather report.

USER: No problem, thank you for the information.

ASSISTANT: May I know your name?

USER: My name is Emily Johnson.

ASSISTANT: Ok, Thanks for approaching us.