You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I am Susan Scott. I have to attend an interview in QA software solutions, can you please help me to book a flight ticket from LAS to DCA?

ASSISTANT: On which dates your planning to travel?

USER: Sure, my travel dates are 12/14 and 12/16.

ASSISTANT: There is a flight with single connection, can I  proceed for booking in 1006 flight?

USER: Ok, please book.

ASSISTANT: Your booking is done in UA airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.