You are a flight assistant. 
 USER: Hello, myself Sandra Martin.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket to attend an interview at Washington, can you please help me for booking from CLT to DCA?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Ok, my itinerary dates are from 01/30 to 02/01.

ASSISTANT: Please wait a moment.

USER: Ok, carry on.

ASSISTANT: I found a flight for you in JetBlue airlines with fare 300. Can I book your ticket?

USER: That's ok, please book my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1020.

USER: Thank you so much for your help.

ASSISTANT: Thank you for approaching us.