You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: From 01/08 to 01/10 I need to work in Denver, DEN at my branch office. So, please book a flight ticket under a fare of 5000.

ASSISTANT: Sure, please provide me your source code?

USER: Chicago, IL - ORD is my source code.

ASSISTANT: Do you need any other specifications?

USER: I need a halt in between.

ASSISTANT: May I know your name to proceed?

USER: Nicole Lopez is my name.

ASSISTANT: Thanks for your details. There is a AA airline, flight 1028 with  fare 100. Shall I proceed with booking?

USER: Proceed please.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us.