You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to meet my friend at Las Vegas, can you please reserve ticket from DFW to LAS?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my planned travelling dates are Nov, 16 and 18 respectively.

ASSISTANT: Do you have any specifications?

USER: Yes, I would be comfortable with single stop over.

ASSISTANT: There is a connecting flight with number 1002 in airline Southwest, the fare is 200 in economy class. Can I book it?

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved, the depart time is 20:00 hours and return time is 9:00 hours.

USER: Thank you for your service.

ASSISTANT: May I know your name?

USER: Sure, my name is Debra Wright here.

ASSISTANT: Thank you for reaching us.