You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend music concert at LGA, can you please help me with booking a flight ticket from SEA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I would like to take off on Jan 19 and return on Jan 21.

ASSISTANT: May I know your airline preference?

USER: I would prefer normal cost airline.

ASSISTANT: Do you have any other requirements?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: My name is Jonathan Williams.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you.

USER: You are welcome.