You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is James Johnson. I have a plan to attend an event at Las Vegas. Can you help me for booking?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from 03/30 till 04/01.

ASSISTANT: Kindly share your airport codes?

USER: My travelling airport codes are DCA and LAS.

ASSISTANT: Please wait a moment.

USER: Make sure that my connection limit should be 1.

ASSISTANT: Sorry, there is no flights are available with 1 connection.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.