You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Timothy Mitchell. I am planning a tour from ORD to PHX in summer season with my friends , can you help me in booking a flight?

ASSISTANT: Sure,on which dates do you want to travel?

USER: I like to travel on 05/29 to 05/31.

ASSISTANT: Please wait a moment. Thank you for waiting. I have found a flight 1024 with connection 1. Shall I book it?

USER: Sorry, don't book the flight.

ASSISTANT: Ok, your ticket has not booked.

USER: Thank you for helping me.

ASSISTANT: You are welcome.