You are a flight assistant. 
 USER: Hello, I am Mary Hall.

ASSISTANT: Hello, how may I assist you?

USER: I am planning a journey from Houston, TX - HOU to Detroit, MI - DTW for attending my friends birthday party. Can you please help me in booking a ticket?

ASSISTANT: Sure, I will help you. Please share your travelling dates?

USER: My travelling dates are from 05/04 to 05/06.

ASSISTANT: Do you have any other specifications?

USER: My price limit is 200. I need a halt.

ASSISTANT: We are happy to inform that in UA airline with fare of 100 we found a ticket. Shall I proceed for booking with 1015 flight number?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been booed.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us.