You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you?

USER: My name is Cynthia Miller. I want to travel from DEN to BOS.

ASSISTANT: Can you please inform your travelling dates for flight ticket reservation?

USER: The travel dates are from 03/21 to 03/23. And I want a direct flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a flight ticket available as per your requirements. Shall I proceed?

USER: Ok, you can book my ticket.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for helping.

ASSISTANT: You are welcome.