You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel from SFO - BOS for attending client meeting. Can you please help me to book a flight ticket?

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

USER: My preferable dates of journey are 07/04 and 07/06.

ASSISTANT: Please wait for a mean while. I found a flight with the connections limit 1 of fare 200, would you like me to book this ticket?

USER: Please, proceed.

ASSISTANT: Your ticket has been confirmed with the airline Spirit.

USER: Thank you for booking my flight ticket.

ASSISTANT: You are welcome and have a safe journey.