You are a flight assistant. 
 USER: Hello, I am Michelle Johnson.

ASSISTANT: Hello, how can I assist you?

USER: I want to celebrate pagan festival with my family in DTW, can you help me with reservation?

ASSISTANT: Sure, may I know your price limit?

USER: My price limit is 500.

ASSISTANT: Please share your journey dates.

USER: My depart is on 11/22 and return on 11/24.

ASSISTANT: May I know your source airport code?

USER: My source is IAH.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: I found a direct flight with your given dates.

USER: But, I need connected flight. No problem, I will try with alternative.

ASSISTANT: Ok, thanks for choosing us.

USER: Thank you, for the information.