You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what service of ours are you looking for?

USER: My name is Gresoy Hill and I want to book the flight ticket from OAK to DEN.

ASSISTANT: Sure, we are always here to help you.

USER: Thank you.

ASSISTANT: Please provide us your planned travel dates to proceed further.

USER: My travel dates are 12/27 and 12/29.

ASSISTANT: In which class do you want me to book this ticket?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirement for this journey?

USER: I need a halt in my journey.

ASSISTANT: Thank you for providing all the necessary details, we have a flight from Spirit airline, number 1019 and the fare is 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your economy class ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.