You are a flight assistant. 
 USER: Hello.

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

USER: I am Michelle Evans. I would like to book a ticket from HOU to DTW, can you please help me out?

ASSISTANT: I am glad to help you about that. Can you please provide your planned dates of journey?

USER: I am travelling on these dates 06/14 and 06/16.

ASSISTANT: Hold on for sometime.

USER: Make sure my price limit is 200.

ASSISTANT: Sorry Evans, there are no flights on your planned dates of journey.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are most welcome, thank you for reaching out here.