You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Cynthia Collins here, I want to reserve my ticket from DEN to DCA, can you please help me?

ASSISTANT: Sure, can you please share your journey dates?

USER: Ok, my preferable dates of journey are from 03/31 to 04/02.

ASSISTANT: Do you have any specifications to be met?

USER: Yes, I need a connecting flight.

ASSISTANT: Are you looking for any preferred class?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: We have found a connected flight of Frontier airline, flight number-1000, class-economy and fare is 100. Shall I proceed with the booking?

USER: Ok, you can book it.

ASSISTANT: Sure, I have reserved your ticket at Frontier airline.

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

ASSISTANT: Thank  you for availing us.