You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Brenda Miller, I want to book a flight from LAX to attend a meeting with client. Can you book a flight to ORD?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will travel on July 7 and return on July 9.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I will depart on afternoon.

ASSISTANT: May I know your other specifications?

USER: I need a flight with single connection.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.