You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Young.

ASSISTANT: Young, how can I assist you?

USER: I am planning to visit Boston to attend a seminar, can you please book me a ticket from IAH to BOS?

ASSISTANT: Sure, I am happy to help you. Can you please tell me your travel dates?

USER: My planned dates of journey are from 04/09 to 04/11.

ASSISTANT: Flight-1012 is available with Spirit airlines and the ticket fare is 200 only. Can I book the ticket for you?

USER: Please book my ticket with this flight.

ASSISTANT: Young, your ticket is booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome.