You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Martin.

ASSISTANT: How may I help you?

USER: I would like to visit Orlando to visit my relatives, can you please book a flight ticket from EWR to MCO?

ASSISTANT: Ok, may I know your trip dates?

USER: Sure, my travel dates are 01/30 and 02/01.

ASSISTANT: There is a flight for you with 1005 in Spirit airline.

USER: Is it costs 200?

ASSISTANT: Ok, book my ticket. It cost is 100.

USER: Ok, please confirm it for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.