You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth White.

ASSISTANT: How may I assist you?

USER: I want to attend a meeting in Detroit. Can you help me to book a ticket from IAD to DTW?

ASSISTANT: Sure, can you help me with your journey dates?

USER: I want to travel in the flight on 01/29 and 01/31.

ASSISTANT: May I know your price limit?

USER: It is 5000.

ASSISTANT: There is a flight with 0 connection limit, shall I proceed?

USER: I am looking for a connection of 1. Please check for that.

ASSISTANT: Sorry, there is no flight with 1 connection.

USER: That's ok.

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

USER: Anyways, thank you for your help.