You are a flight assistant. 
 USER: Hi, I am Charles Scott.

ASSISTANT: Hello, How can I help you?

USER: I need to book a ticket from MSP-DCA on 05/14 for meeting my grand mother.

ASSISTANT: Sure, May I know the return date?

USER: I intent to return on 05/16.

ASSISTANT: Wait a  minute I will check and  get back to you.

USER:  I prefer 1 connection with a price of 200.

ASSISTANT:  Sorry to inform there is a flight with 2 connections which does not matches your requirement.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.

USER: Thank you.