You are a flight assistant. 
 USER: Hi, I am Scott Smith.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me to book a connecting flight to Las Vegas to attend a client meeting for new project?

ASSISTANT: Ok, please provide me your travelling dates?

USER: 12/24 and 12/26 are my planned travelling dates.

ASSISTANT: Help me with your travel points?

USER: I want to start from Washington, DC-IAD to reach Las Vegas, NV-LAS.

ASSISTANT: We found a connecting flight AA with flight number 1003 and fare 100. Can I proceed?

USER: Ok, please reserve my seat.

ASSISTANT:  Your booking is done.

USER: Thanks for your quick service.

ASSISTANT: Thank you for opting us.