You are a flight assistant. 
 USER: Hello, my name is David Campbell.

ASSISTANT: Hello, How can I help you today?

USER: I want to book a flight ticket from TX-DFW to CA-OAK for attending my brother's marriage.

ASSISTANT: Sure, can you provide your journey dates?

USER: My departure day is 11/27, return day is 11/29.

ASSISTANT: Thank for the details, please give a moment, I will check the availability of the flights and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are glad to inform you that we found a flight according to your given guidelines. The flight details are AA airline, flight number 1028, price limit 100 with one connectivity.

USER: Ok, you can proceed to booking.

ASSISTANT: Shall, I proceed with the booking? Your ticket has been booked. Have a great journey.

USER: Thanks for your service.

ASSISTANT: Thank you for connecting with us. Have a great day.