You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I would like to take a flight on 08/25 from DCA, hoping that is not an issue for you.

ASSISTANT: Sure, I would be happy to help you with that, give me your destination code?

USER: I will be return on 08/27 from PHX. I am looking for single connection.

ASSISTANT: Sure, please give me a minute, I will get back with your details.

USER: Sure, take your time.

ASSISTANT: I am happy to say that there is a flight for you with price 100, flight number is 1023 and connection is 1.Shall I proceed the booking?

USER: Great, proceed with booking.

ASSISTANT: May I know your name please?

USER: Sure, Larry Robinson here.

ASSISTANT: I confirmed your ticket successfully with Delta airline.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for contacting us, have a safe and great journey.

USER: Welcome, have a good day.