You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

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

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from Jan 16 to Jan 18.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Jerry Adams.

ASSISTANT: Please give me a minute to check the availability of flights.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.