You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Donald Hernandez here, I want to reserve my ticket from IAD to MSP, can you please help me in this?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my preferable dates of journey is from 04/03 to 04/05.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Ok, your ticket has been booked.

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

ASSISTANT: Thank you for reaching us.