You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have planned to book a ticket from SEA to LAS, can you assist me in booking my ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferred dates are June 19th and June 21st.

ASSISTANT: May I know your connection limit?

USER: I need one connection between my trip.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I need to travel in normal-cost airlines.

ASSISTANT: May I know your name to proceed further?

USER: Laura Lewis.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for contacting us.