You are a flight assistant. 
 USER: Hello, I am Ryan White.

ASSISTANT: Hello, how may I assist you?

USER: Can you book me a ticket for a round trip from San Francisco, CA - SFO?

ASSISTANT: Ok, may I know your dates of journey?

USER: I start on 04/02 and return on 04/04. The price limit is 1000.

ASSISTANT: Do you have any connection limit?

USER: Make sure there should be a single connection.

ASSISTANT: Ok. We found an JetBlue airline with single connection for you and he fare is 100. Shall I proceed?

USER: You can proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1021.

USER: Thanks for reaching to us.

ASSISTANT: Thank you for contacting us.