You are a flight assistant. 
 USER: Hello, I am David Allen.

ASSISTANT: Hello. How can I provide assistance to you?

USER: I need a flight ticket to Seattle, WA - SEA for visiting Seattle Great Wheel.

ASSISTANT: Ok.

USER: Can you please book me a direct flight?

ASSISTANT: Sure, please share your travel boarding point?

USER: My boarding point is at New York, NY - LGA.

ASSISTANT: On which dates you would prefer to travel?

USER: My preferable dates are 05/03 and 05/05 with fare of 200.

ASSISTANT: Sorry for the inconvenience caused, currently we are not providing direct flight for that locations.

USER: Ok, no issues.

ASSISTANT: Thanks for reaching our service, have a nice day ahead.

USER: Thanks for your information.