You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Lee.

ASSISTANT: How can I assist you?

USER: Can you help me in booking my flight ticket from LAX to ORD?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates will be Oct 17th to Oct 19th.

ASSISTANT: Could you please provide the departure and return time?

USER: My return time should be afternoon.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Its ok, thank you.

ASSISTANT: Thank you for approaching us.