You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I would like to fly from BOS, can you please help me in booking a flight ticket to PHL?

ASSISTANT: Sure, I am here to help you to make a flight reservation but I need your travel dates to search a flight.

USER: My travel dates are June 13th and June 15th.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a direct flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: The depart time should be evening.

ASSISTANT: To proceed further, can I have your name please?

USER: Kenneth Mitchell.

ASSISTANT: Thank you for sharing your journey details, sorry to inform you currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, thank you.

ASSISTANT: Thank you for approaching us.