You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Timothy Walker.

ASSISTANT: How can I help you?

USER: Can you please check any airline available to LAS from LGA?

ASSISTANT: Can you please provide your journey dates?

USER: My preferable travelling dates are from 05/20 to 05/22.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: There is a flight 1001 of Delta airlines available for you with 2 connections limit. Shall I proceed?

USER: But I need only one connected flight, can you please check?

ASSISTANT: Sorry, there is no flight available with 1 connection limit.

USER: It's ok. Thank you.

ASSISTANT: Thank you for reaching us.