You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a flight ticket from DEN to PHX?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I planned my journey on the dates July 4 and July 6.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, myself Samantha Davis.

ASSISTANT: Do you need a connection preference?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?\.

USER: No, other specifications. Thank you for asking.

ASSISTANT: I found an economy class in Frontier airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.