You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am planning to visit Dallas, can you please help me in booking the flight ticket from OAK to DFW?

ASSISTANT: Sure, I can definitely do the need full for you.

USER: Thank you.

ASSISTANT: To proceed further I need to know your trip dates as well. Can you please forward them?

USER: My preferable journey dates are Aug 21 and Aug 23.

ASSISTANT: Ok, do you have any priority for class?

USER: I am ok with any class.

ASSISTANT: How many lay by's will you need for this booking?

USER: I prefer single lay by for this trip.

ASSISTANT: May I know on what name you want me to make this reservation?

USER: Please book the ticket with my name Paul King in this flight.

ASSISTANT: Ok, You are almost done Paul King. Can you please let me know if you need a major cost airline or will you be okay with low cost airline also?

USER: I am ok with any airlines.

ASSISTANT: Ok, please allow me few minutes to check the availability of flights and get back to you with an update.

USER: Sure, take your own time and find the best airlines for my journey.

ASSISTANT: We found a Southwest airline with flight number 1004 available for you matching all your credentials and it has 1 connection and the total tariff will be 100. Will this be okay for you?

USER: Please reserve my ticket in this flight.

ASSISTANT: Your request for making reservation has been processed. You can collect your ticket at the time of check- IN.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us. Hope you are satisfied with the service.