You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Orlando is famous as the world's most visited tourist destinations. So, I want to visit Orlando this time. Will you please help me in booking my ticket?

ASSISTANT: That's good. Sure, please help me with your source and destination airport codes with your travelling dates.

USER: Sure, my airport codes are DFW to MCO and I want to travel on 04/13 to 04/15.

ASSISTANT: Fine, please give me few seconds to check the flight availability.

USER: Sure.

ASSISTANT: There is a flight with number 1023 from Frontier airline. Shall I proceed for ticket booking?

USER: Great, confirm my booking.

ASSISTANT: Please tell me your name.

USER: My name is Gregory Garcia.

ASSISTANT: Your ticket is confirmed, Gregory Garcia.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.