You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm David Baker here.

ASSISTANT: How can I help you David Baker?

USER: My planning is to travel from IL-ORD to meet my favourite place at Los Angeles on 10/08.

ASSISTANT: Sure, can you provide your destination and journey of travel?

USER: My destination airport is CA-LAX with return is on 10/10.

ASSISTANT: Wait a moment please.

USER: My connection limit is 0.

ASSISTANT: Sorry, there is no flight with 0 connection available on your dates.

USER: Ok, no problem.

ASSISTANT: Thank you and have a great day.

USER: You are welcome. Thank you.