You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Michael Gonzalez. Please book me a ticket from DFW to PHX to meet my family.

ASSISTANT: I am willing to help you, can I have your journey dates?

USER: I have planned to travel on 07/20 and 07/22.

ASSISTANT: Please wait a moment let me check for the flight.

USER: Ok, I will wait for your response.

ASSISTANT: There is a connecting flight-1002 with price 300, is it ok for you?

USER: Ok, please book this ticket.

ASSISTANT: Ok, booking is done on Frontier airlines.

USER: Thank you.

ASSISTANT: Welcome Michael Gonzalez.