You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Donald Garcia.

ASSISTANT: Ok.

USER: I need you to book a flight ticket from DTW to PHX. Can you help me with booking?

ASSISTANT: Sure, I am glad to help you, may I know your travelling dates?

USER: 06/22 and 06/24 are my travelling dates.

ASSISTANT: May I know your price limit?

USER: 200 is my budget.

ASSISTANT: Sorry, no flights found on your requested dates.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for approaching us.