You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Denver, can you please book me a ticket from OAK to DEN?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your trip dates?

USER: My preferable journey dates are July 04 and July 06.

ASSISTANT: Do you need any flag stop in your journey?

USER: I prefer connecting flight for this trip.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is Samuel Gonzalez.

ASSISTANT: There is a connecting flight with fare of 100 and 1017 flight number. Shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Your seat has been reserved with American Airlines in economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for utilising our service.