You are a flight assistant. 
 USER: Hi. I am Thomas white.

ASSISTANT: Hello, how can I be your helping hand?

USER: Please book a flight ticket from Detroit, DTW to Houston, HOU.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Let me know, how much you can afford for this journey?

USER: I can afford up to 500.

ASSISTANT: Would you prefer either business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Help me with your planned dates of journey.

USER: Sure, My travelling dates are from 10/12 to 10/14.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with Hawaiian airline, flight number 1027 with fare 100 and a lay by. Shall I proceed to book?

USER: Ok, You can proceed.

ASSISTANT: Your booking has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.