You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from Oakland -OAK to Dallas & Fort Worth -DFW. So, can you please help me in doing that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which dates are you planning to travel?

USER: Sure, my planned journey dates are from Nov 10 to Nov 12.

ASSISTANT: Ok, do you have any connection preference?

USER: Yes, I would like to prefer a connecting flight.

ASSISTANT: Ok, please give me a moment. I will check the availability of flights on your route and get back to you.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, we are happy to inform you that JetBlue airline is available for you at a price of 200 only in economy class. Shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Sure, Can I have your name to proceed further?

USER: Richard Johnson is my name.

ASSISTANT: Your booking has been done in flight number 1009.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us.