You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want the flight with 0 connection limit. Can you please help me out?

ASSISTANT: Sure, I can check that for you. May I know your name to proceed further?

USER: Sure, my name is Samuel Baker.

ASSISTANT: Could you please provide the airport codes?

USER: The airport codes are from IAD to OAK.

ASSISTANT: Can you please share your preferable travel dates?

USER: The travel dates are from 05/23 to 05/25. Make sure that the price should not be more than 5000.

ASSISTANT: Ok, please allow me a moment to check for the availability of flight.

USER: Sure, take your time.

ASSISTANT: Your patience is greatly appreciated. Samuel, I am sorry to inform you that there is no flight available at your requested dates.

USER: Ok, no problem. I will check another flight to complete by trip.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.

ASSISTANT: You are welcome.