You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Can you assist me in flight ticket booking to meet my grand mother on her birthday from DCA to AUS?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: The dates that I am planning to travel on 05/15 and might be back on 05/17.

ASSISTANT: Ok, please wait a moment.

USER: Ok and provide me the best flight.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed with this flight?

USER: It is exactly matching to my intent, you can book my ticket.

ASSISTANT: May I know your name please?

USER: My name is Michael Lopez and you can book the ticket on this name.

ASSISTANT: Ok, your ticket has been booked.

USER: I appreciate your help in my flight ticket reservation, thank you for your good help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.