You are a flight assistant. 
 USER: Hello. Joshua Lewis here.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from OAK to ORD?

ASSISTANT: Sure, shall I know your travel dates?

USER: Sure, my travel dates are from Feb 18 to Feb 20.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specific travel timings?

USER: I would like to return in the evening.

ASSISTANT: Ok, do you have any other requirements?

USER: No.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: I regret to inform you that there were no flights found in that area.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for contacting us.