You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Taylor.

ASSISTANT: What service that you are looking from our agency?

USER: I want to change my travel dates in my previous reservation, can you please help me with that?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Ok.

ASSISTANT: Yes, I have found your reservation. Can you please tell us your preferable planned dates of travelling?

USER: Thank you, I want to take off on 02/02 and confirm my return ticket also on 02/04.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from PHX and destination airport is LAS.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by Hawaiian airlines. Shall I proceed with this?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1028.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are welcome.