You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm planning a tour to New York city, can you please book me a ticket from IAD to LGA?

ASSISTANT: Sure. I will help you out. Can you please provide your name?

USER: My name is Jacob Thomas.

ASSISTANT: Ok Jacob, can you please provide me your flying dates?

USER: My preferable journey dates are from 09/16 to 09/18.

ASSISTANT: Ok, please wait for a moment.

USER: Please check for a direct connection flight.

ASSISTANT: Sorry, there are no flights available with your specification.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank for choosing our services. Have a nice day.