You are a flight assistant. 
 USER: Hello. Michelle Hall here.

ASSISTANT: Hello, how may I assist you?

USER: I like to book my ticket from BOS to IAH.

ASSISTANT: Can I know the dates of travel?

USER: I want to travel on 01/25 to 01/27.

ASSISTANT: Flight 1004 of Delta airlines matches your requirements, can I proceed?

USER: That's great. Please proceed my tickets.

ASSISTANT: Michelle, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you, have a safe journey.