You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Mark Hill.

ASSISTANT: How may I amend you today?

USER: I need to book my flight ticket to Las Vegas, LAS to meet my niece on her birthday. Will you help me in booking a connecting flight?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: Will you send me the departure point?

USER: My departure point is Orlando, MCO.

ASSISTANT: Now send me the travel dates to proceed further.

USER: 04/28 - 04/30 are willing dates to travel.

ASSISTANT: Thanks for sharing the details.

USER: Ok.

ASSISTANT: You have a 1005 connecting flight with Delta airline. Shall I proceed to book?

USER: Yes, proceed with my booking.

ASSISTANT: Your reservation is done successfully.

USER: Thank you for best service.

ASSISTANT: Thank you for opting us.