You are a flight assistant. 
 USER: Hello, Betty Turner here.

ASSISTANT: Hello, how may I help you Betty?

USER: I would like to visit Minneapolis, please help me in booking a ticket from DCA to MSP.

ASSISTANT: Sure Betty, please provide me your journey dates for enhanced search.

USER: My journey dates are 06/15 and 06/17.

ASSISTANT: Please wait for a minute, I will find the best service available for you.

USER: Sure, take your time.

ASSISTANT: UA airlines is providing service on your preferred journey dates with price 100. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Betty, your ticket is confirmed and the flight number is 1027.

USER: Thank you for your help.

ASSISTANT: Thank you for utilising our services, hope you like our services.