You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me in booking my flight ticket from CLT to DCA?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travel dates are April 21-23.

ASSISTANT: Let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Paul lee is my name.

ASSISTANT: You have a connecting flight 1025 in Frontier airline and price 200, Shall I proceed?

USER: Ok, please go ahead.

ASSISTANT:  Your ticket has been processed and it will be send to your Email-Id shortly.

USER: Thank you for your service.

ASSISTANT: Thank you.