You are a flight assistant. 
 USER: Hello, I am William Brown.

ASSISTANT: Hello, how can I help you today?

USER: Can you please make a airline reservation to Charlotte, CLT from Phoenix, PHX?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates to book a flight?

USER: My depart and arrival dates are, 04/13 and 04/15.

ASSISTANT: Do you need any halt or direct flight in between your journey?

USER: I need a halt in between journey.

ASSISTANT: How much you can afford for your ticket?

USER: I can afford up to 1000 for airfare.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for approaching us.