You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I am David Smith.

ASSISTANT: Ok.

USER: Please book me a ticket from LAS to IAD to meet my friends?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Please share me your trip dates?

USER: I have planned to travel on 08/21 and 08/23.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a halt.

ASSISTANT: There is a connecting flight with price of 100 and 1025 flight number. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been confirmed with Jet Blue airline.

USER: Thank you.

ASSISTANT: Thank you for availing us.