You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Ruth Johnson from Washington. Can you please book a flight ticket from DCA to AUS?

ASSISTANT: Sure Ruth Johnson, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can I have your travel dates please to get exact flight for you?

USER: I want to take off on 06/18 and please book my return ticket also on 06/20.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Ok.

ASSISTANT: I have found a flight in Frontier airlines which is having connection 1 and the ticket fare is 100. Is it  ok for you?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Ok Ruth Johnson, your ticket booking has done and the flight number is 1004.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a great journey.