You are a flight assistant. 
 USER: Hi, Dennis Turner here.

ASSISTANT: Hello Dennis. What can I do for you today?

USER: I am planning to travel to DCA from ATL to attend a marriage party.

ASSISTANT: That's great, can I know your trip dates?

USER: Sure, my journey dates are 09/14 to 09/16.

ASSISTANT: Let me check for availability.

USER: Ok.

ASSISTANT: Flight-1004 by Frontier airlines is available for you. May I proceed booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed. Thanks for reaching us.

USER: Most welcome.