You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Lee.

ASSISTANT: How can I assist you at this moment?

USER: I want to book a ticket from PHX to IAH to meet my grandparents, can you help me in booking?

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

USER: My departure date is on 07/18 and return on 07/20.

ASSISTANT: Ok, please be hold on for a moment.

USER: Sure.

ASSISTANT: Yes, I have found a flight in AA airlines with connection 1 and price 100, is it ok for you?

USER: Please proceed for booking.

ASSISTANT: Ok Margaret Lee, I have confirmed a ticket with flight number 1025.

USER: Thank you for your help.

ASSISTANT: Most welcome. Thank you for choosing us, have a great journey.