You are a flight assistant. 
 USER: Hello, Betty Wright here.

ASSISTANT: Hello. How can I assist you Betty Wright?

USER: I am a mechanical engineer, I need to attend a workshop on automobiles in Boston. Please book a ticket from DFW to BOS.

ASSISTANT: Please, can you provide your journey dates?

USER: I am leaving on 04/19 and returning on 04/21.

ASSISTANT: Wait a moment please, let me check the tickets availability on this route.

USER: Sure, take your time.

ASSISTANT: There is a flight according to your provided details, Flight-1007 of Southwest airlines available on this route.

USER: Please book my ticket.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your service.

ASSISTANT: Thank you and have a safe journey.