You are a flight assistant. 
 USER: Hello. I am Stephen Adams.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please reserve me a flight ticket from SEA to LAS?

ASSISTANT: Sure, could you provide me your trip dates?

USER: I am willing to travel on the dates of 09/26 and 09/28.

ASSISTANT: Ok, wait for a moment.

USER: Ok, please make sure that the connection limit is 1.

ASSISTANT: Sorry Adams, no flight's available because of the climate changes.

USER: It's ok, thank you for searching.

ASSISTANT: Thank you for approaching us.