You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Patrick Mitchell.

ASSISTANT: How could I help you at this moment Mitchell.

USER: I want to travel from PHX to IAH, can you please book a flight ticket for me?

ASSISTANT: Yes, on which date that you are moving Mitchell?

USER: My travelling dates are from 04/23 and 04/25.

ASSISTANT: Please wait for a while. Delta airline is now available on your dates with a fare of 100. Can I proceed for booking your ticket?

USER: Please proceed it.

ASSISTANT: Your ticket is confirmed with flight 1010, have a happy flight journey.

USER: Thank you so much.

ASSISTANT: You are welcome.