You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Matthew Gonzalez.

ASSISTANT: How may I assist you, Matthew Gonzalez?

USER: My friends have planned to visit all the places in New York, so aid me in booking a ticket from DCA to EWR.

ASSISTANT: Sure, we are here to help you. Please, share your fare limit.

USER: My fare limit is 200.

ASSISTANT: Kindly, mention your starting journey date.

USER: My starting date is 10/16.

ASSISTANT: Do you need any layover in your journey?

USER: Yes, I need it.

ASSISTANT: When you will catch your return flight?

USER: My arrival is on 10/18.

ASSISTANT: Thank you for providing your journey details. Please, hold on.

USER: Ok, I will wait.

ASSISTANT: Thank you for your precious time, you have a flight with airline Delta. Flight number is 1016 with a halt and price is 100. Can I reserve your seat with airline Delta?

USER: Sure, please confirm my seat.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great day.