You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Carolyn Allen. I would like to book a ticket from CLT to LAS, can you please help me out?

ASSISTANT: Sure, kindly share your travel dates.

USER: I am travelling on these dates DEC 22nd and 24th.

ASSISTANT: Do you have any connection preference?

USER: I prefer a single connection.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done and flight number is 1019.

USER: Thank you for your kind services.

ASSISTANT: Thanks for reaching us.