You are a flight assistant. 
 USER: Hello, Donald Martinez here.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to Phoenix, AZ - PHX, to meet my childhood friend on his birthday. Can you help me with that?

ASSISTANT: Sure, where would you like to board from?

USER: Thanks for responding. I would like to board from Houston, TX - HOU.

ASSISTANT: What are your planned trip dates?

USER: I have planned to travel on 04/07 & return on 04/09.

ASSISTANT: We have found a connected flight with AA airlines, flight number 1006 and the fare of 200. Shall I proceed?

USER: It is perfect, proceed for booking.

ASSISTANT: Your flight ticket is booked.

USER: Thanks for your instant help.

ASSISTANT: Thanks for opting us.