You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Will you please book me a ticket from DTW to IAD?

ASSISTANT: Sure. Are you looking for a stopover flight?

USER: Yes, I need 1 stop over in the midway.

ASSISTANT: May I know your name please?

USER: I am Joseph Phillips.

ASSISTANT: Tell me your travel dates please?

USER: I am planning to start on Sept 9th and return on Sept 11th as I have a meeting in between these dates.

ASSISTANT: Any other preferences?

USER: No, I am fine with above essentials.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I have found Frontier airlines which is a flight with a lay-by option.

USER: Perfect, please proceed.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1023.

USER: Thanks for your support.

ASSISTANT: Thank you.