You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Sandra Hernandez here, I want to reserve my ticket from ORD to IAD, can you please help me to book a ticket?

ASSISTANT: Yes, can you share me your travelling dates?

USER: Sure, my preferable dates of journey is from 04/30 to 05/02.

ASSISTANT: Give me a moment.

USER: Please make sure that the connections limit is 1. Sure.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Ok, please book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.