You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to meet my cousin on his birthday, so please book my ticket from IAH to ATL.

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My itinerary dates are Mar 21 and 23.

ASSISTANT: Ok, please share me your name.

USER: Gary Hill here.

ASSISTANT: Ok, do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Here, I found a flight for you with single connection and class is economy.

USER: I want to depart in the evening and return in the afternoon.

ASSISTANT: Yes, the available flight is in evening. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1006 and airline is Spirit.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome, have a safe flight.