You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me booking a flight ticket from LAS to BOS?

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

USER: I will start on 08/14 and return on 08/16.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: Will you be comfortable in a low cost airline or you need a normal cost airline?

USER: I am looking for normal cost flight.

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

USER: I am Daniel Jackson.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

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 the information.

ASSISTANT: Thank you for choosing us.