You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Deborah Perez.

ASSISTANT: Perez, how may I help you?

USER: I want to travel from ERW to CLT for business meeting, can you please help me to book the flight ticket?

ASSISTANT: Sure, please share your journey dates.

USER: I have to depart on 09/15 and return on 09/17.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Spirit airlines with flight 1018 is available.

USER: That's perfect! You can book the ticket for me.

ASSISTANT: Your ticket is reserved.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.