You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. how may i guide you?

USER: Can you book a ticket for me?

ASSISTANT: Yes, can I know your name please?

USER: Jessica turner.

ASSISTANT: Can you provide me with the details of travel?

USER: I want to travel from MA - BOS to MA - BOS.

ASSISTANT: And your dates?

USER: The departure is on 06/19 and return is on 06/21.

ASSISTANT: Do you have any limits?

USER: The price limit is 200. The connection limit is 1.

ASSISTANT: The 1018 of Delta airlines matches with your preferences, would you like me to book the ticket?

USER: Yes.

ASSISTANT: Your ticket is booked.

USER: OK.

ASSISTANT: Thank you, have a safe journey.

USER: OK.