You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Lopez.

ASSISTANT: How may I aid you?

USER: Can you help me to book my flight ticket to meet my client in Washington in the month of September?

ASSISTANT: Sure, I am glad to help you. Could you please share your travelling dates?

USER: Thank you for considering my request, my travelling dates are Sep 1 and Sep 3.

ASSISTANT: May I know your airport codes?

USER: Sure, my airport codes are AUS and DCA.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Here, there is a flight with 1 connection in Spirit airlines and price is 100. Shall I proceed?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, your ticket is booked with the flight 1020.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.