You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Susan Campbell from Charlotte.

ASSISTANT: How may I assist you?

USER: I would like to visit Washington for my business conference, can you please help me out with booking of a flight ticket to go there in the month of May?

ASSISTANT: Sure, may I know your journey dates please?

USER: Thank you for accepting my request, I want to take off on 05/08 and please confirm my return ticket also on 05/10.

ASSISTANT: Please provide me your airport codes.

USER: I want to departure from  CLT and destination airport is DCA.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a flight in Southwest airlines with price 100. Shall I book the ticket for you?

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

ASSISTANT: Your ticket is confirmed and the flight number is 1007.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.