You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me booking a flight ticket from BOS to OAK?

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

USER: I will start on 05/22 and return on 05/24.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: I need a break in my journey. I am Eric Clark.

ASSISTANT: Do you have any other requirements?

USER: I need to return in the evening time.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.