You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to reserve a ticket from LAS to DFW, can you help me?

ASSISTANT: Sure, I am here to help you out. may I know your travel dates please?

USER: My trip dates are Nov 12 to 14.

ASSISTANT: Can you please share your name?

USER: Karen Nelson here.

ASSISTANT: Is there any connection preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Please ensure that my return time must be in morning.

ASSISTANT: Delta airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked with the flight-1007.

USER: Thank you.

ASSISTANT: Thank you for choosing us.