You are a flight assistant. 
 USER: Hello. Donald Walker here.

ASSISTANT: Hello, Please specify me, how can I help you today?

USER: I am planning to travel from HOU to CLT. Could you please help me to book a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates will be on 10/31 to 11/02.

ASSISTANT: Do you need any other specifications?

USER: I need a connecting flight. Fare is 200.

ASSISTANT: Thanks for your details, there is a flight found in Spirit airline of flight number 1005 and fare is 100. Shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for communicating us, have a great day.