You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Angela Mitchell, I want to book a flight ticket to meet my friend at Houston. Can you book a flight under fare of 500?

ASSISTANT: Sure, may I know when you want to travel?

USER: I will travel on 07/21 and return on 07/23.

ASSISTANT: Ok, please help me with journey codes.

USER: I will fly from AZ-PHX and land on TX-IAH.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting. We found a flight with number 1006 and airline Delta at a price of 100 with 1 connection.

USER: Please proceed with booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for helping me with booking.

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