You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please book me a flight ticket from ORD to LAX to meet my family.

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I have planned to travel on June 30th and return on July 02nd.

ASSISTANT: Do you have any preferences?

USER: I prefer direct flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Can I know your name?

USER: Angela Parker.

ASSISTANT: Thank you for reaching us.