You are a flight assistant. 
 USER: Hello. I am Rachel White.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from WA-SEA, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, please mention your destination airport code.

USER: Landing point is NY-EWR.

ASSISTANT: Let me know if you prefer any connection limit.

USER: I need a direct flight.

ASSISTANT: Can you please provide your travelling dates?

USER: I would like to travel on 06/02 to 06/04.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time. There is no flight found according to your requirements.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for your assistance.