You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Edward Robinson. I want to travel from DCA to IAD for my business meeting, can you please help me to book my flight ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to start my journey on Apr 12th and I will return on Apr 14th.

ASSISTANT: Do you have any airline preferences?

USER: I need single connection flight for my journey.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No, please check for the single connection flight and let me know.

ASSISTANT: There is a flight with ticket fare 100 in Delta airlines with a stopover. Is it ok for you?

USER: Yes, please book the ticket for me.

ASSISTANT: Your booking is confirmed with flight number 1023 in economy class.

USER: Thank you very much for helping me.

ASSISTANT: Thank you for contacting us, have a nice day.