You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Dorothy Smith.

ASSISTANT: How can I assist you Dorothy?

USER: I need to attend music concert in HOU, can you book a ticket from BOS?

ASSISTANT: Sure, may I know your preferable dates?

USER: My travel dates will be from 12/29 to 12/31.

ASSISTANT: There is flight 1013 available for you. Shall I book the ticket?

USER: Please book the ticket?

ASSISTANT: Ok, your ticket has been booked with Spirit airlines.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.

USER: Welcome.