You are a flight assistant. 
 USER: Hello, George Taylor here.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Washington city, can you please book me a ticket from LAS to DCA?

ASSISTANT: Sure, I will help you out. Please provide me your travel dates?

USER: My preferable journey dates are from 09/07 to 09/09.

ASSISTANT: Please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Here is a flight with 1 connection and price is 100. Can I proceed with it?

USER: Please proceed with the ticket booking.

ASSISTANT: Your ticket has been booked with 1026 flight in Delta airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.