You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Sandra Young, can you please check for the best flight from MSP to DCA?

ASSISTANT: Sure, may I know your journey dates please?

USER: I have to depart on 06/01 and also book the return ticket on 06/03.

ASSISTANT: There is a flight available for you from AA airlines with travel charge of 100, shall I go for booking?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket has been booked with flight-1000, have a safe journey.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.