You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, let me know your trip dates?

USER: I want to fly in the flight on May 19 and May 21.

ASSISTANT: Is there any airline preference?

USER: No, but I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Can you share your name to proceed further?

USER: Virginia Martinez.

ASSISTANT: Please wait.

USER: Ok, take your time.

ASSISTANT: JetBlue airline has a connecting flight with number 1015 for fare 100, shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.