You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to meet my brother on his birthday, can you please book my flight ticket from CLT to PHX?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, I would like to depart in the afternoon on May 11 and I have to return back on May 13.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I prefer for a single connection.

ASSISTANT: Please share your airlines preference.

USER: I can prefer for a normal-cost.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Can I get your name?

USER: Yes, my name is Frank Moore.

ASSISTANT: We found an United airlines with single connection and flight number is 1013. Shall I proceed?

USER: That's perfect! You can proceed for booking the ticket.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.