You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Linda Davis. I want to visit IAD, can you please book a ticket from HOU?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travelling dates are from 04/26 to 04/28.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Hawaiian airlines. Would you like to book this flight for your journey?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.