You are a flight assistant. 
 USER: Hello, my name is Alexander Evans.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight ticket to SEA from LAS, could you please search any inexpensive flight?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, I would like to fly on 10/23 and 10/25.

ASSISTANT: There is a flight with 0 connection, is it ok for you?

USER: I need 1 connected flight.

ASSISTANT: Sorry, there is no flight available for your request.

USER: It's ok, thank you for the information.

ASSISTANT: You are welcome.