You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi,. How can I help you ?

USER: I'm Rachel Allen, could you help me in booking a flight ticket?

ASSISTANT: Yes please .

USER: I want to travel from DTW to DCA.

ASSISTANT:  Please provide your valuable details . May I know your travelling date .

USER: My dates of travel are from 06/17 to 06/19.

ASSISTANT: Just a moment please.

USER: OK.

ASSISTANT:  I found a flight name Frontier with flight number 1000.

USER: Do you have any additional requirements?

ASSISTANT: And the costing of the flight is 400 with one connection . would you like to book the ticket ?

USER: Perfect, please book the ticket.

ASSISTANT: Thank you your flight ticket was confirmed .

USER: Thank you for helping me.