You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher Perez. I have to go to LAX next month for my film shooting purpose. Can you please book a flight ticket from ORD?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Mar 29 to Mar 31.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No issue, thank you.

ASSISTANT: Thank you.