You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can assist you today?

USER: Can you please help me to book my flight ticket from SFO to PHX?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Let me know your planned dates.

USER: I will depart on Nov 29th and I have to return back on Dec 1st.

ASSISTANT: Ok, please share your class preference.

USER: I am fine with any class.

ASSISTANT: Is there any airline preference?

USER: I prefer for a normal-cost airlines.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with single connection.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with a fare of 200 in 1019 United Airline. Shall I proceed in economy class?

USER: Happy to hear that, please book the ticket for me.

ASSISTANT: May I know your name for booking purpose?

USER: My name is Timothy Wilson.

ASSISTANT: Ok, your ticket has been confirmed on your good name.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.