You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to meet my friend at Charlotte, can you please help me to book my flight ticket from LAS to CLT?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I have to depart on July 23 and I have to return back on July 25.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I prefer for a single connection.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Catherine Nelson.

ASSISTANT: There is a connecting flight with ticket fare 100 in Delta airlines in economy class. Is it ok for you?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: Your booking is confirmed with flight number 1029. Departure time is 4:00 AM and arrival time is 23:00 PM.

USER: Thank you so much for helping me.

ASSISTANT: Thank you for contacting us, have a nice day.