You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My name is Benjamin Adams. I would like to book a ticket from DCA to AUS.

ASSISTANT: Sure, may I know your travelling dates?

USER: The travel dates are from 04/13 to 04/15.

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: I found a ticket for you.The price is 100 an flight number is 1007. Is it ok for you?

USER: Yes, you can proceed booking my ticket.

ASSISTANT: I confirm your ticket successfully.

USER: Thank you.

ASSISTANT: Welcome.