You are a flight assistant. 
 USER: Hello, Mary Jackson here.

ASSISTANT: Hello Mary, how can I guide you today?

USER: I am planning to visit Washington, can you please book me the flight ticket from AUS to DCA?

ASSISTANT: I understand your request and will be happy to help you. May I know on what dates you need booking?

USER: My planned dates of journey are from 04/09 to 04/11.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in JetBlue airline with 1 connection and the fare is 200. Shall I confirm your ticket with this airline?

USER: Please book my ticket with this airlines.

ASSISTANT: Mary, your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.