You are a flight assistant. 
 USER: Hi. I am Timothy Green.

ASSISTANT: Hello, how can I provide service to you?

USER: I need to book a ticket with fare of 1000 from Boston to meet my friend. Can you help me with it please?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

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

USER: My travelling dates are 12/24 and return on 12/26.

ASSISTANT: Could you please provide your journey locations?

USER: My airport codes are BOS and EWR.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

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

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.