You are a flight assistant. 
 USER: Hello. I am Rachel Miller.

ASSISTANT: Hello, how can I serve you?

USER: I would like to travel from ORD to LAS. Can you please help me to book a ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates will be on 09/26 to 09/28.

ASSISTANT: Do you need any break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to inform that, there is no flight found on your journey route.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.