You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Rachel Hill.

ASSISTANT: How can I help you Rachel?

USER: I want to meet my grandfather, can you please book the ticket from DEN to IAD?

ASSISTANT: Please share your desired travel dates please?

USER: I have to start my journey on 08/26 and also book the return ticket on 08/28.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: There is a flight with connection limit 1 and fare 200, is it ok for you?

USER: That's fine me, you can proceed to book the ticket.

ASSISTANT: Your ticket is booked on the name Rachel Hill, flight number 1002.

USER: Thank you very much for your help.

ASSISTANT: Thank you for utilizing our services.