You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for today?

USER: I am Edward Wilson. I need a reservation to meet my project manager. Can you please book a ticket with a price limit of 5000?

ASSISTANT: I am glad to help you about your flight ticket booking Wilson. Can you please specify your respective location codes of your journey?

USER: I would like to fly from PHX to OAK.

ASSISTANT: In the same way can you please let me know your planned dates of journey to check a perfect flight for your journey?

USER: I would like to leave between 11/02 and 11/04.

ASSISTANT: Hold on for sometime, I will revert back to you with the flight availability.

USER: Ok.

ASSISTANT: I feel sad to say this Wilson, there are no flights to your region with such a price limit.

USER: That's not a problem. Thank you so much.

ASSISTANT: Most welcome, thank you for reaching out here.