You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend my uncle's birthday party from BOS to LAS. Can you find ticket for me?

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Karen Turner.

ASSISTANT: Karen, can you share your journey dates please?

USER: Sure, my travelling dates are 10/29 to 10/31. Make sure that the connection limit is 1.

ASSISTANT: I am sorry, there are no flights with your connection limit.

USER: Ok, thank you for your help.

ASSISTANT: You are welcome.