You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: Carter, how can I assist you?

USER: I would like to book a ticket to Washington DC, can you please assist me in booking?

ASSISTANT: Sure, on which dates you would like to travel?

USER: My travelling dates are 09/09 and 09/11.

ASSISTANT: May I know your airport codes?

USER: I would like to fly on these airport codes AUS and DCA.

ASSISTANT: Please give me a moment to check for available flights.

USER: Ok.

ASSISTANT: UA airlines with flight 1027 is providing service on your route.

USER: Ok ,you can proceed with this flight.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your valuable services.

ASSISTANT: Thank you for availing our services.