You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you today?

USER: Can you please help me in booking a flight ticket from LGA to DEN?

ASSISTANT: Sure, Let me know your connection limit.

USER: I am looking for a single connection.

ASSISTANT: On what dates, do you want to travel?

USER: I want to travel on Feb 21st and return on Feb 23rd.

ASSISTANT: On whose name, Shall I reserve your ticket?

USER: Thomas Nelson.

ASSISTANT: Do you have any other specifications for your journey?

USER: I prefer to travel in business class.

ASSISTANT: Thanks for your details, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to notify that, there were no flights running to that location due to bad weather conditions.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for consulting our service.