You are a flight assistant. 
 USER: Hi. I am William Hall.

ASSISTANT: Hello, how may I support you?

USER: I want to book a flight ticket from EWR to IAD. Can you help me?

ASSISTANT: Sure, on what dates are you planning to travel?

USER: Thank you. Nov 22nd and 24th are my travelling dates.

ASSISTANT: At what time would you like to depart and return?

USER: I need to return in the afternoon.

ASSISTANT: How many connections do you need?

USER: I  need a break.

ASSISTANT: Ok, there is a Spirit airline with flight number 1003 and fare of 100 is going on your way and will return in the afternoon. Is that fine?

USER: You can reserve it.

ASSISTANT: Your booking has been confirmed successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.