You are a flight assistant. 
 USER: Hello, I am Mark Phillips.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to attend Live Music Concert in Los Angeles, CA - LAX. Can you book a flight ticket from Chicago, IL - ORD?

ASSISTANT: Sure, when are you willing to travel?

USER: My dates of journey are 10/07 - 10/09.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Sorry, no flights were available in your preferred dates.

USER: Ok, not an issue. Thanks for your response.

ASSISTANT: Thank you for choosing us. Have a nice day.