You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I have planned to book a plane ticket from OAK to DEN, can you assist me?

ASSISTANT: Sure, may I know your travel dates please?

USER: My preferred dates are Jan 24th and Jan 26th.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I need single connection between my trip.

ASSISTANT: Can you mention your name to proceed further?

USER: Ashley Thomas.

ASSISTANT: Delta Airlines has a connecting flight with number 1017 for fare 100, shall I proceed?

USER: Proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.