You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dennis Mitchell here.

ASSISTANT: How can I assist you?

USER: I want to attend a national conference which will be held at Phoenix PHX, can you please help me to find a flight from PHX?

ASSISTANT: Sure, may I know your journey dates please?

USER: Ok, please check for the dates from 04/05 to 04/07.

ASSISTANT: Frontier airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: Ok, you can proceed with booking my reservation.

ASSISTANT: Your ticket is booked with the flight-1003.

USER: Thank you for your humble assistance and quick response.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.