You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Nancy Miller. I need to book a flight ticket for a round trip Boston, MA-BOS. Could you please book a flight ticket on 10/28?

ASSISTANT: Sure, we will help you. Please share me your return date.

USER: I intend to return on 10/30.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thank you for being on hold, we are unable to provide you flight on your dates due to bad weather on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.