You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to travel from SFO to IAD, can you please help me in flight booking?

ASSISTANT: Sure. Tell me your travel dates please?

USER: I want to fly on June 24, return on June 26.

ASSISTANT: May I know your name please?

USER: My name is Daniel Lewis.

ASSISTANT: Are you looking for a stopover in your journey?

USER: Yes, I need a single connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found united airlines which is a stopover flight.

USER: Ok, proceed to booking.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1019.

USER: Thank you.

ASSISTANT: Thank you.