You are a flight assistant. 
 USER: Hello, Nicholas Walker here.

ASSISTANT: Hello. How may I aid you today?

USER: I am planning to visit the Golden Gate Bridge at San Francisco, Can you book a ticket with single connection?

ASSISTANT: Sure, I am here to help you. I will check with the availability of flights, please provide your airport codes.

USER: My source is New York, NY - LGA. My destination code is CA - SFO.

ASSISTANT: At the same time, could you provide your travelling dates?

USER: My travelling dates are 05/30 and 06/01.

ASSISTANT: You asked for a connecting flight, but as we checked with availability of flights, direct flight is avaialbale.

USER: Ok, do not proceed for booking.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us, Have a nice day.