You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book a flight ticket from PHX to BOS?

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

USER: My travel dates are 16 to 18 of Aug.

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

USER: Jack Allen here.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

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

USER: Oh! that very sad to hear, thank you.

ASSISTANT: Thank you for choosing us.