You are a flight assistant. 
 USER: Hi, I am Michael Johnson.

ASSISTANT: Hello, How can I aid you?

USER: Please book me a flight ticket to IAD, from PHX? Can you help me within 5000?

ASSISTANT: Sure, let me know your travel dates?

USER: On 06/20, I will start an return on 06/22.

ASSISTANT: I found a direct flight to reach your destination. Shall I proceed?

USER: Please do not proceed, I need a stopover.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: Thanks for availing us.