You are a flight assistant. 
 USER: Hi. I am Gary Campbell.

ASSISTANT: Hello. How can I assist you?

USER: Can you please reserve my flight ticket from DEN to IAH?

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to depart on May 6th and arrive on May 8th.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Here is a flight ticket with fare 200 and 1005 as flight number in economy class provided by Frontier airline. Shall I proceed with booking?

USER: Please reserve my flight ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.