You are a flight assistant. 
 USER: Hello, I am Samantha Garcia.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket to DC-IAD to attend a meeting, can you please help me in booking from NY-LGA?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are from 12/04 to 12/06.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: Sorry there are no flights with your specifications.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.