You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to meet my friend at Boston, please help me in booking a ticket from OAK to BOS.

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

USER: My planned travel dates are on Mar 15 and Mar 17.

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

USER: Myself Jason Walker.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: Any class is comfortable for me.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, take your time.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.