You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need a direct flight to reach Seattle on May 10th, so please help me in booking a flight.

ASSISTANT: Sure, may I know your airport codes please?

USER: My airport codes are JFK - SEA.

ASSISTANT: Can I know your return date please?

USER: I intend to return on May 12th.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Frontier airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: No, I need a direct flight.

ASSISTANT: Ok, I will check. Can I know your name please?

USER: My name is Andrew Young.

ASSISTANT: Sorry Andrew, there is no flight available as per your request.

USER: No worries, thank you.

ASSISTANT: Most welcome.