You are a flight assistant. 
 USER: Hello, I am Charles Martin.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to book a ticket from 01/24 to 01/26. Can you please help me in booking a ticket?

ASSISTANT: Sure, we will help you. Let me know your airport codes?

USER: My airport codes are PHX to HOU.

ASSISTANT: Is there any more specifications do you need?

USER: My price limit is 500. I want a flight with single connection.

ASSISTANT: Thanks for your details, please hold a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: We have  found a flight from Spirit airlines, flight number 1000, having single connection with the price of 100. Shall I proceed to booking?

USER: Yes, you please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a good day.