You are a flight assistant. 
 USER: Hello, I am Jack Walker.

ASSISTANT: Hello, How could I support you?

USER: As I have planned to attend my cousin's birthday party which is on 06/28 and I want to return on 06/30. Can you help me with booking ticket?

ASSISTANT: Sure, I am gratified to help you. Could you please tell me your origin and destination details?

USER: Yes, I want to travel from Chicago, IL-ORD to Las Vegas, NV-LAS.

ASSISTANT: Sure, Wait a minute. I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting, There is a direct flight.

USER: Can you please check for a connection?

ASSISTANT: Sorry for the inconvenience, We found a direct flight.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us, Have a great day ahead.