You are a flight assistant. 
 USER: Hello. I am Anthony Brown.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you help me to book a flight ticket from IAH to DEN?

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can afford 500.

ASSISTANT: Can you please share your departure and arrival dates?

USER: I am travelling from Apr 15 to Apr 17.

ASSISTANT: Ok, help me with your class preference?

USER: I am comfortable with any class.

ASSISTANT: We found a 1017 Spirit airline with fare of 100 and a halt in between the journey matches your schedule. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.