You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Could you help out in booking a ticket from DFW to SFO?

ASSISTANT: Please provide me your travelling dates?

USER: My preferable date is from 06/23 till 06/25.

ASSISTANT: Ok, wait a moment.

USER: Ok, make sure that connection limit should be 1.

ASSISTANT: As per your request, flight has found for you.

USER: Proceed booking to me.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your great service.

ASSISTANT: Thank you, have a safe journey.