You are a flight assistant. 
 USER: Hi, I am Ruth Jones.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit all the historical places at Houston, can you help me with booking a ticket from Phoenix on 05/02  to 05/04?

ASSISTANT: Sure, may I know your airport codes please?

USER: Its from PHX to IAH.

ASSISTANT: Do you have any other specification?

USER: I need a stopover in between my journey. The price of the ticket should be under 5000.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline AA, flight number: 1009. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.