You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christopher Anderson here.

ASSISTANT: Is there any help that you are expecting from our travel agency?

USER: I want to attend a Marriage in Washington. Can you please help me for booking the flight ticket?

ASSISTANT: Ok Christopher Anderson, I am glad to help you with the ticket booking. Can you please tell me your source airport code and the departure date?

USER: My airport codes are from EWR to DCA.

ASSISTANT: Ok, can you please provide me your remaining travel details?

USER: My travelling dates are from 08/25 to 08/27.

ASSISTANT: Ok, please give me a minute. So that, I will check the flight availability.

USER: Ok, I will wait.

ASSISTANT: There is a flight available which is having a connection limit 0 and the price limit is 100. Can I proceed with ticket booking?

USER: Make sure my connections limit is 1.

ASSISTANT: I am sorry to tell you that, there are no flight available with connection limit 1 in this route.

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome. Thank you for choosing  our travel agency.