You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Thompson here.

ASSISTANT: How may I aid you?

USER: I want to book a flight from LAS to IAD, can you please assist me in doing that?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will travel from 07/21 to 07/23.

ASSISTANT: We found a Frontier airline with fare 100 and a halt in between the journey. Shall I proceed?

USER: It looks perfect, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1011.

USER: Thank you for your prompt service.

ASSISTANT: Thanks for opting us.