You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am samantha walker. Could you book a ticket for me?

ASSISTANT: Good evening.

USER: Good evening.

ASSISTANT: Sure. Please mention in detail about  your planning dates?

USER: The departure is on 11/20 and return is on 11/22.

ASSISTANT: OK. May I know which places you want to visit?

USER: The origin is washington, DC - IAD and destination is washington, DC - IAD.

ASSISTANT: OK. Please wait for a minute.

USER: OK.

ASSISTANT: Based on your request there is a flight having price as 100 and the airline name is Southwest.

USER: OK.

ASSISTANT:  This flight is having only one connection limit. Are you interested to travel in this flight?

USER: Yes.

ASSISTANT: OK. I will book this flight. Please make a note about about your ticket . Your ticket number is 1000. Your ticket had confirmed. Thank you.