You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to travel from DEN to JFK for my grandfather's funeral.

ASSISTANT: Oh! Please provide me your travelling dates.

USER: I need reservation for tomorrow of dates 02/23 and 02/25.

ASSISTANT: Ok, for further proceeding, may I know your name?

USER: I would prefer 0 connections because I have to reach urgently, can you please check? Ok, myself Nicole Green.

ASSISTANT: Oh! I am really sorry for our inconvenience Nicole, there is no flight available with 0 connection.

USER: Ok, I will find another way to reach. Thanks for helping me.

ASSISTANT: You are welcome.