You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel from LAS to ORD. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly in the flight on Jan 29 and Jan 31.

ASSISTANT: Please share me your name.

USER: Brandon Garcia.

ASSISTANT: Do you like connecting flight or direct flight?

USER: I want to have a connection of 1.

ASSISTANT: Sorry, there is no flight available at this moment.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for opting us.