You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to make a flight ticket reservation from DEN to OAK, can you please help me?

ASSISTANT: Sure, please provide your travelling dates.

USER: Sure, I am willing to travel on Feb, 15 and return back on Feb, 17.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Ok, May I know your connection limit?

USER: Yes, flight has to be with single connection.

ASSISTANT: Ok, Is there any other preferences?

USER: No, thank you for asking.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1000 Delta Airlines with a fare of 100. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: May I know your name?

USER: Sure, my name is Deborah Scott here.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.