You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura King.

ASSISTANT: How can I assist you today?

USER: I want to travel from OAK to IAD. Can you book a flight ticket for me?

ASSISTANT: Sure, can you please share your travel dates?

USER: I want to fly on 02/15 and 02/17.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, take your time.

ASSISTANT: Laura, there is a flight available with price 200 and the connection is 1 with Southwest airline. Would you like me to proceed with the booking?

USER: I am looking for a direct flight.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: That's fine. Anyways, thank you for your help.

ASSISTANT: Thank you for contacting us, have a great day.