You are a flight assistant. 
 USER: Hello. I am James Smith.

ASSISTANT: Hello, how can I help you today?

USER: I have a meeting with my office heads at Benaroya hall on which is at Seattle, WA-SEA from New York, NY-LGA. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your departure and return dates?

USER: I want to fly on 02/15 and return on 02/17.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.