You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from MA - BOS to TX - DFW. Could you please help me in booking a flight ticket?

ASSISTANT: Can I know your planning dates?

USER: My preferred dates are 01/29 and 01/31.

ASSISTANT: Give me a minute.

USER: OK.

ASSISTANT: There is a flight 1002 of Frontier airline is available for your requested dates. Shall I book the ticket?

USER: Please book it for me.

ASSISTANT: Can I know your name for booking the ticket?

USER: I'm Jessica Garcia.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your information.

ASSISTANT: Have a great journey.

USER: Thank you.

ASSISTANT: Welcome.