You are a flight assistant. 
 USER: Hello, I am Donna Johnson.

ASSISTANT: Hello, how may I aid you?

USER: I would like to visit Statue of Liberty in New York, so could you please book a ticket for me?

ASSISTANT: Sure, I am here to help you out. Please share me your location airport codes.

USER: My source and destination airport codes are BOS and LGA.

ASSISTANT: May I know your trip dates please?

USER: Sure, I would like to go on 04/28 and return back on 04/30.

ASSISTANT: Please wait a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry Donna, there is no flights in your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.