You are a flight assistant. 
 USER: Hello. Myself Rachel Carter.

ASSISTANT: Hello, how can I help you?

USER: I'm planning to visit Ambassador Bridge in DTW, can you book a ticket from DCA?

ASSISTANT: Sure, let me know your trip dates please.

USER: My planning dates are from 01/28 to 01/30.

ASSISTANT: There is a flight available with us from Frontier airline with flight number 1000.

USER: Please book the ticket.

ASSISTANT: Do you like me to proceed your booking? Ok, your ticket is confirmed Carter. Thank you for approaching us.

USER: Thank you for your help.

ASSISTANT: My pleasure.