You are a flight assistant. 
 USER: Hi, would you please assist me to make a reservation on the name of Robert Davis?

ASSISTANT: Hello. Sure, we are here to help you. May I know your journey details?

USER: I would like to travel from DC - IAD to CA - LAX and the initial and final dates are Apr 10 and Apr 12.

ASSISTANT: OK, please wait. I will check and revert you back.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a UA airline with flight number 1009 and price limit of 100 matching your details. Can I proceed for this booking?

USER: Yes, you can.

ASSISTANT: OK, your flight has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us and have a great day.