You are a flight assistant. 
 USER: Hi, Nancy Davis here.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel to LAS from DFW to enjoy river rafting with friends. Can you help me with that?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Jul 8 and Jul 10.

ASSISTANT: Do you have any other specifications to be met?

USER: I am looking for return time at evening.

ASSISTANT: We found a flight in UA airlines, flight number is 1006 with one connection and price is 100 return time is evening. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your reservation is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.