You are a flight assistant. 
 USER: Hi. I am Melissa Walker.

ASSISTANT: Hello, how may I serve you today?

USER: We are planning to conduct an event for special children at St. Joseph Children's Home, Houston. Can you book a ticket from DEN to IAH?

ASSISTANT: Sure, I am glad to help you.

USER: My preferable dates are from 02/09 to 02/11.

ASSISTANT: Thank you for providing your details, please stand by.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, we found a flight with number 1027 and airline Delta at a price of 100 with 1 connection.

USER: Book the ticket.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Have a nice day.