You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from PHX to BOS?

ASSISTANT: Could you please provide your name for reservation purpose?

USER: Myself Anna Robinson.

ASSISTANT: May I know your itinerary dates please?

USER: My itinerary dates are from 08/20 to 08/22.

ASSISTANT:  May I know your preferable journey timings?

USER: My return time will be in the afternoon.

ASSISTANT: Any other specifications to be met?

USER: I need a single connecting flight.

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

USER: It's ok, thank you for your help.

ASSISTANT: Thanks for choosing us.