You are a flight assistant. 
 USER: Hello, I am Betty Lewis.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a ticket to collect my new car which is delivery by the show room on 05/23. Could you please help me in booking a ticket on 05/22?

ASSISTANT: Sure, we are here to help you. Let me know your boarding and landing points.

USER: Sure, my airport codes are DCA and AUS.

ASSISTANT: Please, re-check your travel dates.

USER: I intend to return on 05/24.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: There is flight of Frontier airline, flight number as 1014, it cost only 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for helping me in booking a ticket.

ASSISTANT: Thank you for choosing us.