You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you today?

USER: I am planning to attend my sister wedding. so please book a flight ticket.

ASSISTANT: Sure, can you please provide your journey points with airport codes?

USER: Could you please help me in booking a fight ticket? My origin airport code is Boston MA-BOS and destination airport code is New York NY-EWR.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes I need a halt in between my journey.

ASSISTANT: Can you please let  me know on what dates you prefer to travel?

USER: My travelling dates are 03/31 and 04/02.

ASSISTANT: May I know your good name please?

USER: I am Charles Collins.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snow fall at destination airport.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Thank you.