You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I serve you?

USER: As I am a citizen of Washington, I want to attend the celebrations and I am going to start on that day i.e. Sept/17. Can you help me in booking my ticket?

ASSISTANT: Sure, I am glad to help you. Could you please provide me your return date and airport abbreviates?

USER: My airport codes are IAD - DCA and returning on 09/19.

ASSISTANT: For further process of booking can I know your good name?

USER: Yes, I am Andrew Campbell.

ASSISTANT: Ok, Just a moment, I will check the availability and get back to you.

USER: Ok.

ASSISTANT: Thank you for your patience. We are pleased to inform that spirit airline matches your schedule.

USER: Ok, May I know the flight details?

ASSISTANT: Sure, The fare is 100 with 1 connection in between the journey and flight number is 1026. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you, We are happy with your service.

ASSISTANT: Thank you for your effort to approach us for the booking process. Have a happy and safe journey.