You are a flight assistant. 
 USER: Hi, I am Elizabeth Moore.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me in booking a ticket from HOU to CLT?

ASSISTANT: When you are willing to travel?

USER: I want to depart on Feb 19th and arrive on Feb 21st.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you need any halt in between your journey?

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

ASSISTANT: There is a flight available with an airline Spirit of flight 1002 and cost is 200. Can I proceed with the booking?

USER: Yes, now you can proceed with booking.

ASSISTANT: Your ticket has been confirmed in an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.