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

ASSISTANT: Hello. How may I support you today?

USER: I have a workshop in Washington on 07/05. Please book me a ticket with price under 5000.

ASSISTANT: Sure, please let me know your airport codes.

USER: I would board at Phoenix, AZ - PHX and destination is DC - IAD.

ASSISTANT: Do you need a lay by within your journey?

USER: Yes, I need a break with in my route.

ASSISTANT: Kindly share your exact travelling dates.

USER: My depart is on 07/05 and arrival is on 07/07.

ASSISTANT: Please give me some time.

USER: Ok.

ASSISTANT: Unfortunately there are no flights found with in your journey routes.

USER: That's Ok, I may go by any other transport.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your assistance.