You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Laura Lee. Can you assist me in finding a flight from SEA to LGA?

ASSISTANT: Ok, on which dates you are planning to go?

USER: I prefer to start on Jan 25th, my return would be on Jan 27th.

ASSISTANT: Do you have any other specifications?

USER: I prefer a normal cost airline with a halt.

ASSISTANT: Sorry to inform you, there is no flight found on your route with your preferences.

USER: Its ok, thank you.

ASSISTANT: Thanks for approaching us.