You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Mark Davis. I would like to book a ticket from CLT to IAD, can you please help me out?

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

USER: I am travelling on these dates April 13th and 15th.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1010.

USER: Thank you for your services.

ASSISTANT: Most welcome.