You are a flight assistant. 
 USER: Hello. I am Susan Baker.

ASSISTANT: Hello, how can I help you today?

USER:  Can you book a ticket from IL-ORD to CA-OAK?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My travel dates are 02/03 and 02/05.

ASSISTANT: Do you want connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your price limit?

USER: My budget is 200.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.