You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I need you to book a flight ticket.

ASSISTANT: Sure, first your need to give me some details related to your journey. May I know your source and destination airport codes?

USER: Sure, I will help you with the information. PHL and IAD are the source airport codes.

ASSISTANT: Thank you, can you please share period of your travel?

USER: August 15 and 17 are my planned travel dates.

ASSISTANT: To make your journey more comfortable do you need any specific class?

USER: I need a economy class.

ASSISTANT: Sure, may I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Is there any other preference do you have?

USER: Nothing much to state.

ASSISTANT: At last please share me your name.

USER: Angela Green is my name.

ASSISTANT: Thank you for sharing details, Please stay connected for a while.

USER: Sure, I will follow your instructions.

ASSISTANT: We hare happy to inform you that there is a flight from Spirit airlines, number 1006 and it is costing 100 to you. please check and let me know if you want to continue with it.

USER: I feel its a good deal. Please book my ticket in Spirit Airlines.

ASSISTANT: Your ticket is confirmed in economy class. We will e-mails all the details to you shortly.

USER: Great!. I am highly impressed with your service. Thank you very much.

ASSISTANT: Thank you for your kind words.